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40224442000 = 245320112221
BaseRepresentation
bin100101011101100100…
…000100011010010000
310211211022101101001011
4211131210010122100
51124334424121000
630251233220304
72622541054441
oct453544043220
9124738341034
1040224442000
11160717156a6
127967101694
133a40716a92
141d383132c8
1510a656d2ba
hex95d904690

40224442000 has 40 divisors (see below), whose sum is σ = 97262705592. Its totient is φ = 16089776000.

The previous prime is 40224441953. The next prime is 40224442001. The reversal of 40224442000 is 24442204.

It can be written as a sum of positive squares in 4 ways, for example, as 309197056 + 39915244944 = 17584^2 + 199788^2 .

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

It is a super-2 number, since 2×402244420002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40224442001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10054111 + ... + 10058110.

Almost surely, 240224442000 is an apocalyptic number.

40224442000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40224442000 is an abundant number, since it is smaller than the sum of its proper divisors (57038263592).

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

40224442000 is a wasteful number, since it uses less digits than its factorization.

40224442000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20112244 (or 20112228 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40224442000 its reverse (24442204), we get a palindrome (40248884204).

The spelling of 40224442000 in words is "forty billion, two hundred twenty-four million, four hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 20112221 40224442 80448884 100561105 160897768 201122210 321795536 402244420 502805525 804488840 1005611050 1608977680 2011222100 2514027625 4022444200 5028055250 8044888400 10056110500 20112221000 40224442000