442505315442 has 32 divisors (see below), whose sum is σ = 891759758400. Its totient is φ = 146377827648.

The previous prime is 442505315431. The next prime is 442505315471. The reversal of 442505315442 is 244513505244.

It is a self number, because there is not a number n which added to its sum of digits gives 442505315442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1853184 + ... + 2078292.

It is an arithmetic number, because the mean of its divisors is an integer number (27867492450).

Almost surely, 2^442505315442 is an apocalyptic number.

442505315442 is an abundant number, since it is smaller than the sum of its proper divisors (449254442958).

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

442505315442 is a wasteful number, since it uses less digits than its factorization.

442505315442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227610.

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 442505315442 in words is "four hundred forty-two billion, five hundred five million, three hundred fifteen thousand, four hundred forty-two".