442514323161 has 12 divisors (see below), whose sum is σ = 639213452800. Its totient is φ = 294997503960.

The previous prime is 442514323133. The next prime is 442514323211. The reversal of 442514323161 is 161323415244.

442514323161 is a `hidden beast` number, since 4 + 425 + 143 + 2 + 31 + 61 = 666.

It is not a de Polignac number, because 442514323161 - 2²² = 442510128857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442514328161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 768145 + ... + 1214526.

Almost surely, 2^442514323161 is an apocalyptic number.

It is an amenable number.

442514323161 is a deficient number, since it is larger than the sum of its proper divisors (196699129639).

442514323161 is a wasteful number, since it uses less digits than its factorization.

442514323161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007476 (or 2007473 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 442514323161 in words is "four hundred forty-two billion, five hundred fourteen million, three hundred twenty-three thousand, one hundred sixty-one".