442612634156 has 96 divisors (see below), whose sum is σ = 1008219405312. Its totient is φ = 164861706240.

The previous prime is 442612634129. The next prime is 442612634171. The reversal of 442612634156 is 651436216244.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14272940 + ... + 14303916.

It is an arithmetic number, because the mean of its divisors is an integer number (10502285472).

Almost surely, 2^442612634156 is an apocalyptic number.

442612634156 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442612634156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504109702656).

442612634156 is an abundant number, since it is smaller than the sum of its proper divisors (565606771156).

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

442612634156 is a wasteful number, since it uses less digits than its factorization.

442612634156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33039 (or 33037 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The spelling of 442612634156 in words is "four hundred forty-two billion, six hundred twelve million, six hundred thirty-four thousand, one hundred fifty-six".