40015320504 has 32 divisors (see below), whose sum is σ = 100059375120. Its totient is φ = 13335630336.

The previous prime is 40015320497. The next prime is 40015320523. The reversal of 40015320504 is 40502351004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57697 + ... + 288720.

Almost surely, 2^40015320504 is an apocalyptic number.

It is an amenable number.

40015320504 is an abundant number, since it is smaller than the sum of its proper divisors (60044054616).

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

40015320504 is a wasteful number, since it uses less digits than its factorization.

40015320504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351239 (or 351235 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 40015320504 its reverse (40502351004), we get a palindrome (80517671508).

The spelling of 40015320504 in words is "forty billion, fifteen million, three hundred twenty thousand, five hundred four".