642030046460 has 48 divisors (see below), whose sum is σ = 1518278694912. Its totient is φ = 225934324800.

The previous prime is 642030046447. The next prime is 642030046477. The reversal of 642030046460 is 64640030246.

It is a self number, because there is not a number n which added to its sum of digits gives 642030046460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47062832 + ... + 47076471.

It is an arithmetic number, because the mean of its divisors is an integer number (31630806144).

Almost surely, 2^642030046460 is an apocalyptic number.

It is an amenable number.

642030046460 is an abundant number, since it is smaller than the sum of its proper divisors (876248648452).

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

642030046460 is a wasteful number, since it uses less digits than its factorization.

642030046460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94139354 (or 94139352 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 642030046460 in words is "six hundred forty-two billion, thirty million, forty-six thousand, four hundred sixty".