40826518931 has 8 divisors (see below), whose sum is σ = 44888715264. Its totient is φ = 36822771720.

The previous prime is 40826518927. The next prime is 40826518937. The reversal of 40826518931 is 13981562804.

It is a happy number.

40826518931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40826518931 - 2² = 40826518927 is a prime.

It is a super-2 number, since 2×40826518931² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40826518937) 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, 14610815 + ... + 14613608.

It is an arithmetic number, because the mean of its divisors is an integer number (5611089408).

Almost surely, 2^40826518931 is an apocalyptic number.

40826518931 is a deficient number, since it is larger than the sum of its proper divisors (4062196333).

40826518931 is a wasteful number, since it uses less digits than its factorization.

40826518931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29224561.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 40826518931 in words is "forty billion, eight hundred twenty-six million, five hundred eighteen thousand, nine hundred thirty-one".