30642632655 has 8 divisors (see below), whose sum is σ = 49028212272. Its totient is φ = 16342737408.

The previous prime is 30642632633. The next prime is 30642632663. The reversal of 30642632655 is 55623624603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30642632655 - 2¹⁴ = 30642616271 is a prime.

It is a congruent number.

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, 1021421074 + ... + 1021421103.

It is an arithmetic number, because the mean of its divisors is an integer number (6128526534).

Almost surely, 2^30642632655 is an apocalyptic number.

30642632655 is a deficient number, since it is larger than the sum of its proper divisors (18385579617).

30642632655 is a wasteful number, since it uses less digits than its factorization.

30642632655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042842185.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 30642632655 in words is "thirty billion, six hundred forty-two million, six hundred thirty-two thousand, six hundred fifty-five".