40811012697 has 32 divisors (see below), whose sum is σ = 67311965952. Its totient is φ = 21417387264.

The previous prime is 40811012687. The next prime is 40811012761. The reversal of 40811012697 is 79621011804.

It is not a de Polignac number, because 40811012697 - 2⁸ = 40811012441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (40811012677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325638 + ... + 433199.

It is an arithmetic number, because the mean of its divisors is an integer number (2103498936).

Almost surely, 2^40811012697 is an apocalyptic number.

It is an amenable number.

40811012697 is a deficient number, since it is larger than the sum of its proper divisors (26500953255).

40811012697 is a wasteful number, since it uses less digits than its factorization.

40811012697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759057.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 40811012697 in words is "forty billion, eight hundred eleven million, twelve thousand, six hundred ninety-seven".