442497374 has 16 divisors (see below), whose sum is σ = 724429440. Its totient is φ = 201039960.

The previous prime is 442497353. The next prime is 442497389. The reversal of 442497374 is 473794244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66407 + ... + 72765.

It is an arithmetic number, because the mean of its divisors is an integer number (45276840).

Almost surely, 2^442497374 is an apocalyptic number.

442497374 is a deficient number, since it is larger than the sum of its proper divisors (281932066).

442497374 is a wasteful number, since it uses less digits than its factorization.

442497374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9535.

The product of its digits is 677376, while the sum is 44.

The square root of 442497374 is about 21035.6215501230. The cubic root of 442497374 is about 762.0267773718.

The spelling of 442497374 in words is "four hundred forty-two million, four hundred ninety-seven thousand, three hundred seventy-four".