40564420424 has 48 divisors (see below), whose sum is σ = 88001365200. Its totient is φ = 17467924320.

The previous prime is 40564420417. The next prime is 40564420447. The reversal of 40564420424 is 42402446504.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1084382 + ... + 1121165.

It is an arithmetic number, because the mean of its divisors is an integer number (1833361775).

Almost surely, 2^40564420424 is an apocalyptic number.

40564420424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40564420424 is an abundant number, since it is smaller than the sum of its proper divisors (47436944776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40564420424 is a wasteful number, since it uses less digits than its factorization.

40564420424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205594 (or 2205579 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 40564420424 its reverse (42402446504), we get a palindrome (82966866928).

The spelling of 40564420424 in words is "forty billion, five hundred sixty-four million, four hundred twenty thousand, four hundred twenty-four".