426400738 has 16 divisors (see below), whose sum is σ = 664185816. Its totient is φ = 205148160.

The previous prime is 426400727. The next prime is 426400747. The reversal of 426400738 is 837004624.

It can be written as a sum of positive squares in 4 ways, for example, as 320660649 + 105740089 = 17907^2 + 10283^2 .

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, 29631 + ... + 41602.

Almost surely, 2^426400738 is an apocalyptic number.

426400738 is a deficient number, since it is larger than the sum of its proper divisors (237785078).

426400738 is a wasteful number, since it uses less digits than its factorization.

426400738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71349.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 426400738 is about 20649.4730683376. The cubic root of 426400738 is about 752.6723853140.

The spelling of 426400738 in words is "four hundred twenty-six million, four hundred thousand, seven hundred thirty-eight".