40504037420 has 48 divisors (see below), whose sum is σ = 106046938368. Its totient is φ = 12624634560.

The previous prime is 40504037389. The next prime is 40504037449. The reversal of 40504037420 is 2473040504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13149122 + ... + 13152201.

It is an arithmetic number, because the mean of its divisors is an integer number (2209311216).

Almost surely, 2^40504037420 is an apocalyptic number.

It is an amenable number.

40504037420 is an abundant number, since it is smaller than the sum of its proper divisors (65542900948).

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

40504037420 is a wasteful number, since it uses less digits than its factorization.

40504037420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26301350 (or 26301348 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

Adding to 40504037420 its reverse (2473040504), we get a palindrome (42977077924).

The spelling of 40504037420 in words is "forty billion, five hundred four million, thirty-seven thousand, four hundred twenty".