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40000330244 = 2271428583223
BaseRepresentation
bin100101010000001101…
…001001101000000100
310211020200200022111202
4211100031021220010
51123410041031434
630213105522032
72614150124420
oct452015115004
9124220608452
1040000330244
1115a67164176
127904043318
133a06169984
141d16655b80
151091a4ea7e
hex950349a04

40000330244 has 12 divisors (see below), whose sum is σ = 80000660544. Its totient is φ = 17142998664.

The previous prime is 40000330207. The next prime is 40000330273. The reversal of 40000330244 is 44203300004.

It is a happy number.

40000330244 is an admirable number.

It is a super-2 number, since 2×400003302442 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714291584 + ... + 714291639.

It is an arithmetic number, because the mean of its divisors is an integer number (6666721712).

Almost surely, 240000330244 is an apocalyptic number.

It is an amenable number.

40000330244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40000330244 is a wasteful number, since it uses less digits than its factorization.

40000330244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428583234 (or 1428583232 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40000330244 its reverse (44203300004), we get a palindrome (84203630248).

The spelling of 40000330244 in words is "forty billion, three hundred thirty thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 1428583223 2857166446 5714332892 10000082561 20000165122 40000330244