442371404 has 12 divisors (see below), whose sum is σ = 781666704. Its totient is φ = 219038064.

The previous prime is 442371373. The next prime is 442371409. The reversal of 442371404 is 404173244.

It is not an unprimeable number, because it can be changed into a prime (442371409) 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, 536447 + ... + 537270.

It is an arithmetic number, because the mean of its divisors is an integer number (65138892).

Almost surely, 2^442371404 is an apocalyptic number.

It is an amenable number.

442371404 is a deficient number, since it is larger than the sum of its proper divisors (339295300).

442371404 is a wasteful number, since it uses less digits than its factorization.

442371404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073824 (or 1073822 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 442371404 is about 21032.6271302469. The cubic root of 442371404 is about 761.9544593354.

The spelling of 442371404 in words is "four hundred forty-two million, three hundred seventy-one thousand, four hundred four".