40959872540 has 24 divisors (see below), whose sum is σ = 86093340480. Its totient is φ = 16369166528.

The previous prime is 40959872533. The next prime is 40959872549. The reversal of 40959872540 is 4527895904.

It is a super-2 number, since 2×40959872540² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40959872549) 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, 901172 + ... + 945531.

It is an arithmetic number, because the mean of its divisors is an integer number (3587222520).

Almost surely, 2^40959872540 is an apocalyptic number.

It is an amenable number.

40959872540 is an abundant number, since it is smaller than the sum of its proper divisors (45133467940).

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

40959872540 is a wasteful number, since it uses less digits than its factorization.

40959872540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847821 (or 1847819 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 40959872540 in words is "forty billion, nine hundred fifty-nine million, eight hundred seventy-two thousand, five hundred forty".