442474322078 has 4 divisors (see below), whose sum is σ = 663711483120. Its totient is φ = 221237161038.

The previous prime is 442474322039. The next prime is 442474322089. The reversal of 442474322078 is 870223474244.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110618580518 + ... + 110618580521.

It is an arithmetic number, because the mean of its divisors is an integer number (165927870780).

Almost surely, 2^442474322078 is an apocalyptic number.

442474322078 is a deficient number, since it is larger than the sum of its proper divisors (221237161042).

442474322078 is a wasteful number, since it uses less digits than its factorization.

442474322078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221237161041.

The product of its (nonzero) digits is 2408448, while the sum is 47.

The spelling of 442474322078 in words is "four hundred forty-two billion, four hundred seventy-four million, three hundred twenty-two thousand, seventy-eight".