40079555831 has 8 divisors (see below), whose sum is σ = 46740007200. Its totient is φ = 34353904704.

The previous prime is 40079555783. The next prime is 40079555881. The reversal of 40079555831 is 13855597004.

It is not a de Polignac number, because 40079555831 - 2⁶ = 40079555767 is a prime.

It is a super-2 number, since 2×40079555831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40079555881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58424666 + ... + 58425351.

It is an arithmetic number, because the mean of its divisors is an integer number (5842500900).

Almost surely, 2^40079555831 is an apocalyptic number.

40079555831 is a deficient number, since it is larger than the sum of its proper divisors (6660451369).

40079555831 is an equidigital number, since it uses as much as digits as its factorization.

40079555831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116850038 (or 116850024 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 40079555831 in words is "forty billion, seventy-nine million, five hundred fifty-five thousand, eight hundred thirty-one".