442151404 has 12 divisors (see below), whose sum is σ = 775756800. Its totient is φ = 220506608.

The previous prime is 442151401. The next prime is 442151431. The reversal of 442151404 is 404151244.

It is not an unprimeable number, because it can be changed into a prime (442151401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140524 + ... + 143635.

It is an arithmetic number, because the mean of its divisors is an integer number (64646400).

Almost surely, 2^442151404 is an apocalyptic number.

It is an amenable number.

442151404 is a deficient number, since it is larger than the sum of its proper divisors (333605396).

442151404 is a wasteful number, since it uses less digits than its factorization.

442151404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284552 (or 284550 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 442151404 is about 21027.3965102673. The cubic root of 442151404 is about 761.8281267441.

The spelling of 442151404 in words is "four hundred forty-two million, one hundred fifty-one thousand, four hundred four".