40024655144 has 16 divisors (see below), whose sum is σ = 75710356020. Its totient is φ = 19835226880.

The previous prime is 40024655093. The next prime is 40024655147. The reversal of 40024655144 is 44155642004.

It can be written as a sum of positive squares in 2 ways, for example, as 33602556100 + 6422099044 = 183310^2 + 80138^2 .

It is a super-2 number, since 2×40024655144² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40024655147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22136627 + ... + 22138434.

Almost surely, 2^40024655144 is an apocalyptic number.

It is an amenable number.

40024655144 is a deficient number, since it is larger than the sum of its proper divisors (35685700876).

40024655144 is a wasteful number, since it uses less digits than its factorization.

40024655144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44275180 (or 44275176 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 40024655144 in words is "forty billion, twenty-four million, six hundred fifty-five thousand, one hundred forty-four".