42791906332 has 48 divisors (see below), whose sum is σ = 87515850240. Its totient is φ = 17928820800.

The previous prime is 42791906279. The next prime is 42791906347. The reversal of 42791906332 is 23360919724.

42791906332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42791906332² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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, 227457 + ... + 370567.

It is an arithmetic number, because the mean of its divisors is an integer number (1823246880).

Almost surely, 2^42791906332 is an apocalyptic number.

It is an amenable number.

42791906332 is an abundant number, since it is smaller than the sum of its proper divisors (44723943908).

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

42791906332 is a wasteful number, since it uses less digits than its factorization.

42791906332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143362 (or 143360 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 42791906332 in words is "forty-two billion, seven hundred ninety-one million, nine hundred six thousand, three hundred thirty-two".