40030391500 has 48 divisors (see below), whose sum is σ = 95374240416. Its totient is φ = 14556504000.

The previous prime is 40030391497. The next prime is 40030391549. The reversal of 40030391500 is 519303004.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 3633627 + ... + 3644626.

It is an arithmetic number, because the mean of its divisors is an integer number (1986963342).

Almost surely, 2^40030391500 is an apocalyptic number.

It is an amenable number.

40030391500 is an abundant number, since it is smaller than the sum of its proper divisors (55343848916).

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

40030391500 is a wasteful number, since it uses less digits than its factorization.

40030391500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7278283 (or 7278271 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 40030391500 its reverse (519303004), we get a palindrome (40549694504).

The spelling of 40030391500 in words is "forty billion, thirty million, three hundred ninety-one thousand, five hundred".