40055817079 has 24 divisors (see below), whose sum is σ = 41520997440. Its totient is φ = 38634140160.

The previous prime is 40055817073. The next prime is 40055817083. The reversal of 40055817079 is 97071855004.

It is a happy number.

40055817079 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 40055817079 - 2¹⁵ = 40055784311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40055817073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64919979 + ... + 64920595.

It is an arithmetic number, because the mean of its divisors is an integer number (1730041560).

Almost surely, 2^40055817079 is an apocalyptic number.

40055817079 is a deficient number, since it is larger than the sum of its proper divisors (1465180361).

40055817079 is an equidigital number, since it uses as much as digits as its factorization.

40055817079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 40055817079 in words is "forty billion, fifty-five million, eight hundred seventeen thousand, seventy-nine".