426660404 has 12 divisors (see below), whose sum is σ = 746902464. Its totient is φ = 213259704.

The previous prime is 426660397. The next prime is 426660427. The reversal of 426660404 is 404066624.

It is a congruent number.

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, 2582 + ... + 29325.

It is an arithmetic number, because the mean of its divisors is an integer number (62241872).

Almost surely, 2^426660404 is an apocalyptic number.

It is an amenable number.

426660404 is a deficient number, since it is larger than the sum of its proper divisors (320242060).

426660404 is a wasteful number, since it uses less digits than its factorization.

426660404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35254 (or 35252 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 426660404 is about 20655.7595841935. The cubic root of 426660404 is about 752.8251397149.

The spelling of 426660404 in words is "four hundred twenty-six million, six hundred sixty thousand, four hundred four".