40972761585 has 48 divisors (see below), whose sum is σ = 82376551296. Its totient is φ = 18450837504.

The previous prime is 40972761541. The next prime is 40972761593. The reversal of 40972761585 is 58516727904.

40972761585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40972761585 - 2⁷ = 40972761457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 949584 + ... + 991793.

It is an arithmetic number, because the mean of its divisors is an integer number (1716178152).

Almost surely, 2^40972761585 is an apocalyptic number.

40972761585 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40972761585 is an abundant number, since it is smaller than the sum of its proper divisors (41403789711).

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

40972761585 is a wasteful number, since it uses less digits than its factorization.

40972761585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941462 (or 1941459 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 40972761585 in words is "forty billion, nine hundred seventy-two million, seven hundred sixty-one thousand, five hundred eighty-five".