30415612540 has 24 divisors (see below), whose sum is σ = 63961652160. Its totient is φ = 12149318208.

The previous prime is 30415612531. The next prime is 30415612567. The reversal of 30415612540 is 4521651403.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1043187 + ... + 1071946.

It is an arithmetic number, because the mean of its divisors is an integer number (2665068840).

Almost surely, 2^30415612540 is an apocalyptic number.

It is an amenable number.

30415612540 is an abundant number, since it is smaller than the sum of its proper divisors (33546039620).

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

30415612540 is a wasteful number, since it uses less digits than its factorization.

30415612540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115861 (or 2115859 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 30415612540 in words is "thirty billion, four hundred fifteen million, six hundred twelve thousand, five hundred forty".