40623564401 has 32 divisors (see below), whose sum is σ = 48524017920. Its totient is φ = 33285758976.

The previous prime is 40623564389. The next prime is 40623564427. The reversal of 40623564401 is 10446532604.

It is a cyclic number.

It is not a de Polignac number, because 40623564401 - 2²² = 40619370097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40623564481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3486281 + ... + 3497913.

It is an arithmetic number, because the mean of its divisors is an integer number (1516375560).

Almost surely, 2^40623564401 is an apocalyptic number.

It is an amenable number.

40623564401 is a deficient number, since it is larger than the sum of its proper divisors (7900453519).

40623564401 is a wasteful number, since it uses less digits than its factorization.

40623564401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11913.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 40623564401 in words is "forty billion, six hundred twenty-three million, five hundred sixty-four thousand, four hundred one".