442686651048 has 48 divisors (see below), whose sum is σ = 1205873353620. Its totient is φ = 146709252096.

The previous prime is 442686650983. The next prime is 442686651073. The reversal of 442686651048 is 840156686244.

442686651048 is a `hidden beast` number, since 4 + 4 + 2 + 6 + 86 + 6 + 510 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 339541620804 + 103145030244 = 582702^2 + 321162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442686650985 and 442686651003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17757561 + ... + 17782472.

Almost surely, 2^442686651048 is an apocalyptic number.

It is an amenable number.

442686651048 is an abundant number, since it is smaller than the sum of its proper divisors (763186702572).

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

442686651048 is a wasteful number, since it uses less digits than its factorization.

442686651048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35540218 (or 35540211 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 442686651048 in words is "four hundred forty-two billion, six hundred eighty-six million, six hundred fifty-one thousand, forty-eight".