442917342090 has 48 divisors (see below), whose sum is σ = 1151945372448. Its totient is φ = 118074339168.

The previous prime is 442917342079. The next prime is 442917342143. The reversal of 442917342090 is 90243719244.

442917342090 is a `hidden beast` number, since 4 + 429 + 17 + 3 + 4 + 209 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479964 + ... + 1056503.

It is an arithmetic number, because the mean of its divisors is an integer number (23998861926).

Almost surely, 2^442917342090 is an apocalyptic number.

442917342090 is an abundant number, since it is smaller than the sum of its proper divisors (709028030358).

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

442917342090 is a wasteful number, since it uses less digits than its factorization.

442917342090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539683 (or 1539680 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 442917342090 in words is "four hundred forty-two billion, nine hundred seventeen million, three hundred forty-two thousand, ninety".