40807544685 has 32 divisors (see below), whose sum is σ = 69546822912. Its totient is φ = 20361108480.

The previous prime is 40807544621. The next prime is 40807544707. The reversal of 40807544685 is 58644570804.

It is not a de Polignac number, because 40807544685 - 2⁶ = 40807544621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436546 + ... + 521715.

It is an arithmetic number, because the mean of its divisors is an integer number (2173338216).

Almost surely, 2^40807544685 is an apocalyptic number.

It is an amenable number.

40807544685 is a deficient number, since it is larger than the sum of its proper divisors (28739278227).

40807544685 is a wasteful number, since it uses less digits than its factorization.

40807544685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958453.

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 40807544685 in words is "forty billion, eight hundred seven million, five hundred forty-four thousand, six hundred eighty-five".