42646427904 has 36 divisors (see below), whose sum is σ = 113501692976. Its totient is φ = 14215475712.

The previous prime is 42646427893. The next prime is 42646427917. The reversal of 42646427904 is 40972464624.

42646427904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27763834 + ... + 27765369.

Almost surely, 2^42646427904 is an apocalyptic number.

It is an amenable number.

42646427904 is an abundant number, since it is smaller than the sum of its proper divisors (70855265072).

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

42646427904 is an equidigital number, since it uses as much as digits as its factorization.

42646427904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55529222 (or 55529208 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 48.

The spelling of 42646427904 in words is "forty-two billion, six hundred forty-six million, four hundred twenty-seven thousand, nine hundred four".