442155051442 has 64 divisors (see below), whose sum is σ = 741089502720. Its totient is φ = 196548016896.

The previous prime is 442155051421. The next prime is 442155051581. The reversal of 442155051442 is 244150551244.

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 31 ways as a sum of consecutive naturals, for example, 104550984 + ... + 104555212.

It is an arithmetic number, because the mean of its divisors is an integer number (11579523480).

Almost surely, 2^442155051442 is an apocalyptic number.

442155051442 is a deficient number, since it is larger than the sum of its proper divisors (298934451278).

442155051442 is a wasteful number, since it uses less digits than its factorization.

442155051442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 442155051442 in words is "four hundred forty-two billion, one hundred fifty-five million, fifty-one thousand, four hundred forty-two".