30642632642 has 16 divisors (see below), whose sum is σ = 46958949312. Its totient is φ = 14992678800.

The previous prime is 30642632633. The next prime is 30642632663. The reversal of 30642632642 is 24623624603.

It is a junction number, because it is equal to n+sod(n) for n = 30642632596 and 30642632605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736973 + ... + 777440.

It is an arithmetic number, because the mean of its divisors is an integer number (2934934332).

Almost surely, 2^30642632642 is an apocalyptic number.

30642632642 is a deficient number, since it is larger than the sum of its proper divisors (16316316670).

30642632642 is a wasteful number, since it uses less digits than its factorization.

30642632642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514633.

The product of its (nonzero) digits is 248832, while the sum is 38.

The spelling of 30642632642 in words is "thirty billion, six hundred forty-two million, six hundred thirty-two thousand, six hundred forty-two".