442130772 has 24 divisors (see below), whose sum is σ = 1034459776. Its totient is φ = 146973888.

The previous prime is 442130761. The next prime is 442130807. The reversal of 442130772 is 277031244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45793 + ... + 54600.

Almost surely, 2^442130772 is an apocalyptic number.

It is an amenable number.

442130772 is an abundant number, since it is smaller than the sum of its proper divisors (592329004).

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

442130772 is a wasteful number, since it uses less digits than its factorization.

442130772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100767 (or 100765 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 442130772 is about 21026.9059064809. The cubic root of 442130772 is about 761.8162768949.

The spelling of 442130772 in words is "four hundred forty-two million, one hundred thirty thousand, seven hundred seventy-two".