426057665 has 16 divisors (see below), whose sum is σ = 564814080. Its totient is φ = 305934720.

The previous prime is 426057641. The next prime is 426057673. The reversal of 426057665 is 566750624.

It is not a de Polignac number, because 426057665 - 2⁶ = 426057601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44684 + ... + 53373.

It is an arithmetic number, because the mean of its divisors is an integer number (35300880).

Almost surely, 2^426057665 is an apocalyptic number.

It is an amenable number.

426057665 is a deficient number, since it is larger than the sum of its proper divisors (138756415).

426057665 is a wasteful number, since it uses less digits than its factorization.

426057665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98152.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 426057665 is about 20641.1643324692. The cubic root of 426057665 is about 752.4704697337.

The spelling of 426057665 in words is "four hundred twenty-six million, fifty-seven thousand, six hundred sixty-five".