94442128441956 has 27 divisors (see below), whose sum is σ = 238728860953401. Its totient is φ = 31480690044384.

The previous prime is 94442128441891. The next prime is 94442128441979. The reversal of 94442128441956 is 65914482124449.

The square root of 94442128441956 is 9718134.

It is a perfect power (a square), and thus also a powerful number.

94442128441956 is a `hidden beast` number, since 9 + 4 + 4 + 42 + 128 + 4 + 419 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 91113401171556 + 3328727270400 = 9545334^2 + 1824480^2 .

It is a super-2 number, since 2×94442128441956² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 94442128441893 and 94442128441902.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 57498960 + ... + 59118648.

Almost surely, 2^{94442128441956} is an apocalyptic number.

94442128441956 is the 9718134-th square number.

It is an amenable number.

94442128441956 is an abundant number, since it is smaller than the sum of its proper divisors (144286732511445).

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

94442128441956 is an frugal number, since it uses more digits than its factorization.

94442128441956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239388 (or 1619694 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 63.

The spelling of 94442128441956 in words is "ninety-four trillion, four hundred forty-two billion, one hundred twenty-eight million, four hundred forty-one thousand, nine hundred fifty-six".