30250257642 has 48 divisors (see below), whose sum is σ = 73244545920. Its totient is φ = 8943163200.

The previous prime is 30250257613. The next prime is 30250257659. The reversal of 30250257642 is 24675205203.

30250257642 is a `hidden beast` number, since 3 + 0 + 2 + 5 + 0 + 2 + 5 + 7 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 30250257597 and 30250257606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1855042 + ... + 1871277.

It is an arithmetic number, because the mean of its divisors is an integer number (1525928040).

Almost surely, 2^30250257642 is an apocalyptic number.

30250257642 is an abundant number, since it is smaller than the sum of its proper divisors (42994288278).

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

30250257642 is a wasteful number, since it uses less digits than its factorization.

30250257642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726379 (or 3726376 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 30250257642 in words is "thirty billion, two hundred fifty million, two hundred fifty-seven thousand, six hundred forty-two".