442374404 has 12 divisors (see below), whose sum is σ = 783955200. Its totient is φ = 218387208.

The previous prime is 442374367. The next prime is 442374419. The reversal of 442374404 is 404473244.

It is a super-2 number, since 2×442374404² = 391390226628710432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699644 + ... + 700275.

It is an arithmetic number, because the mean of its divisors is an integer number (65329600).

Almost surely, 2^442374404 is an apocalyptic number.

It is an amenable number.

442374404 is a deficient number, since it is larger than the sum of its proper divisors (341580796).

442374404 is a wasteful number, since it uses less digits than its factorization.

442374404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400002 (or 1400000 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 32.

The square root of 442374404 is about 21032.6984478930. The cubic root of 442374404 is about 761.9561817631.

The spelling of 442374404 in words is "four hundred forty-two million, three hundred seventy-four thousand, four hundred four".