426551457 has 16 divisors (see below), whose sum is σ = 583251840. Its totient is φ = 277200000.

The previous prime is 426551431. The next prime is 426551479. The reversal of 426551457 is 754155624.

It is not a de Polignac number, because 426551457 - 2⁶ = 426551393 is a prime.

It is a super-2 number, since 2×426551457² = 363892290937645698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426551497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7707 + ... + 30207.

It is an arithmetic number, because the mean of its divisors is an integer number (36453240).

Almost surely, 2^426551457 is an apocalyptic number.

It is an amenable number.

426551457 is a deficient number, since it is larger than the sum of its proper divisors (156700383).

426551457 is a wasteful number, since it uses less digits than its factorization.

426551457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22664.

The product of its digits is 168000, while the sum is 39.

The square root of 426551457 is about 20653.1222094869. The cubic root of 426551457 is about 752.7610567255.

The spelling of 426551457 in words is "four hundred twenty-six million, five hundred fifty-one thousand, four hundred fifty-seven".