30255679492 has 12 divisors (see below), whose sum is σ = 52951187520. Its totient is φ = 15126768776.

The previous prime is 30255679471. The next prime is 30255679507. The reversal of 30255679492 is 29497655203.

It is a super-2 number, since 2×30255679492² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202408 + ... + 318559.

It is an arithmetic number, because the mean of its divisors is an integer number (4412598960).

Almost surely, 2^30255679492 is an apocalyptic number.

It is an amenable number.

30255679492 is a deficient number, since it is larger than the sum of its proper divisors (22695508028).

30255679492 is a wasteful number, since it uses less digits than its factorization.

30255679492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535490 (or 535488 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 30255679492 in words is "thirty billion, two hundred fifty-five million, six hundred seventy-nine thousand, four hundred ninety-two".