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40220031002000 = 245320110015501
BaseRepresentation
bin10010010010100011101001…
…01010010010010110010000
312021101222221010002000210212
421021101310222102112100
520232431110414031000
6221312454400143252
711320541601515333
oct1111216452222620
9167358833060725
1040220031002000
11118a7245a6a583
124616ab3007b28
13195996a827635
149d0934a3261a
1549b3369d2c35
hex249474a92590

40220031002000 has 40 divisors (see below), whose sum is σ = 97252034967672. Its totient is φ = 16088012400000.

The previous prime is 40220031001981. The next prime is 40220031002017. The reversal of 40220031002000 is 20013002204.

It can be written as a sum of positive squares in 4 ways, for example, as 7063071630736 + 33156959371264 = 2657644^2 + 5758208^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×402200310020002 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10055005751 + ... + 10055009750.

Almost surely, 240220031002000 is an apocalyptic number.

40220031002000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40220031002000 is an abundant number, since it is smaller than the sum of its proper divisors (57032003965672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40220031002000 is a wasteful number, since it uses less digits than its factorization.

40220031002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20110015524 (or 20110015508 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 40220031002000 its reverse (20013002204), we get a palindrome (40240044004204).

The spelling of 40220031002000 in words is "forty trillion, two hundred twenty billion, thirty-one million, two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 20110015501 40220031002 80440062004 100550077505 160880124008 201100155010 321760248016 402200310020 502750387525 804400620040 1005500775050 1608801240080 2011001550100 2513751937625 4022003100200 5027503875250 8044006200400 10055007750500 20110015501000 40220031002000