40557610679 has 2 divisors, whose sum is σ = 40557610680. Its totient is φ = 40557610678.

The previous prime is 40557610673. The next prime is 40557610693. The reversal of 40557610679 is 97601675504.

40557610679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40557610679 - 2²⁰ = 40556562103 is a prime.

It is a super-3 number, since 3×40557610679³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40557610673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20278805339 + 20278805340.

It is an arithmetic number, because the mean of its divisors is an integer number (20278805340).

Almost surely, 2^40557610679 is an apocalyptic number.

40557610679 is a deficient number, since it is larger than the sum of its proper divisors (1).

40557610679 is an equidigital number, since it uses as much as digits as its factorization.

40557610679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 40557610679 in words is "forty billion, five hundred fifty-seven million, six hundred ten thousand, six hundred seventy-nine".