442742023722 has 32 divisors (see below), whose sum is σ = 892011902400. Its totient is φ = 146493999360.

The previous prime is 442742023699. The next prime is 442742023729. The reversal of 442742023722 is 227320247244.

It is not an unprimeable number, because it can be changed into a prime (442742023729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206978 + ... + 1530450.

It is an arithmetic number, because the mean of its divisors is an integer number (27875371950).

Almost surely, 2^442742023722 is an apocalyptic number.

442742023722 is an abundant number, since it is smaller than the sum of its proper divisors (449269878678).

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

442742023722 is a wasteful number, since it uses less digits than its factorization.

442742023722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325158.

The product of its (nonzero) digits is 301056, while the sum is 39.

The spelling of 442742023722 in words is "four hundred forty-two billion, seven hundred forty-two million, twenty-three thousand, seven hundred twenty-two".