30249624990 has 64 divisors (see below), whose sum is σ = 78201801216. Its totient is φ = 7444332672.

The previous prime is 30249624967. The next prime is 30249625027. The reversal of 30249624990 is 9942694203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2774089 + ... + 2784971.

It is an arithmetic number, because the mean of its divisors is an integer number (1221903144).

Almost surely, 2^30249624990 is an apocalyptic number.

30249624990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30249624990 is an abundant number, since it is smaller than the sum of its proper divisors (47952176226).

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

30249624990 is a wasteful number, since it uses less digits than its factorization.

30249624990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18033.

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 30249624990 in words is "thirty billion, two hundred forty-nine million, six hundred twenty-four thousand, nine hundred ninety".