30925503450 has 36 divisors (see below), whose sum is σ = 83086520478. Its totient is φ = 8246800800.

The previous prime is 30925503449. The next prime is 30925503457. The reversal of 30925503450 is 5430552903.

30925503450 is a `hidden beast` number, since 309 + 2 + 5 + 5 + 0 + 345 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 16832727081 + 14092776369 = 129741^2 + 118713^2 .

It is not an unprimeable number, because it can be changed into a prime (30925503457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34361221 + ... + 34362120.

Almost surely, 2^30925503450 is an apocalyptic number.

30925503450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30925503450 is an abundant number, since it is smaller than the sum of its proper divisors (52161017028).

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

30925503450 is a wasteful number, since it uses less digits than its factorization.

30925503450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68723359 (or 68723351 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 30925503450 in words is "thirty billion, nine hundred twenty-five million, five hundred three thousand, four hundred fifty".