424644404 has 6 divisors (see below), whose sum is σ = 743127714. Its totient is φ = 212322200.

The previous prime is 424644347. The next prime is 424644457. The reversal of 424644404 is 404446424.

It can be written as a sum of positive squares in only one way, i.e., 297631504 + 127012900 = 17252^2 + 11270^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53080547 + ... + 53080554.

It is an arithmetic number, because the mean of its divisors is an integer number (123854619).

Almost surely, 2^424644404 is an apocalyptic number.

It is an amenable number.

424644404 is a deficient number, since it is larger than the sum of its proper divisors (318483310).

424644404 is a wasteful number, since it uses less digits than its factorization.

424644404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106161105 (or 106161103 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

The square root of 424644404 is about 20606.9018535053. The cubic root of 424644404 is about 751.6375502663.

The spelling of 424644404 in words is "four hundred twenty-four million, six hundred forty-four thousand, four hundred four".