426404666431444 has 24 divisors (see below), whose sum is σ = 770284785460736. Its totient is φ = 206323395372000.

The previous prime is 426404666431433. The next prime is 426404666431517. The reversal of 426404666431444 is 444134666404624.

It is a super-2 number, since 2×426404666431444² (a number of 30 digits) contains 22 as substring.

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, 5878849 + ... + 29788759.

Almost surely, 2^{426404666431444} is an apocalyptic number.

It is an amenable number.

426404666431444 is a deficient number, since it is larger than the sum of its proper divisors (343880119029292).

426404666431444 is a wasteful number, since it uses less digits than its factorization.

426404666431444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24053767 (or 24053765 counting only the distinct ones).

The product of its (nonzero) digits is 127401984, while the sum is 58.

The spelling of 426404666431444 in words is "four hundred twenty-six trillion, four hundred four billion, six hundred sixty-six million, four hundred thirty-one thousand, four hundred forty-four".