426027557 has 4 divisors (see below), whose sum is σ = 448450080. Its totient is φ = 403605036.

The previous prime is 426027533. The next prime is 426027559. The reversal of 426027557 is 755720624.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426027557 - 2⁶ = 426027493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426027557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426027559) 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 3 ways as a sum of consecutive naturals, for example, 11211233 + ... + 11211270.

It is an arithmetic number, because the mean of its divisors is an integer number (112112520).

Almost surely, 2^426027557 is an apocalyptic number.

It is an amenable number.

426027557 is a deficient number, since it is larger than the sum of its proper divisors (22422523).

426027557 is a wasteful number, since it uses less digits than its factorization.

426027557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22422522.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 426027557 is about 20640.4350002610. The cubic root of 426027557 is about 752.4527445003.

The spelling of 426027557 in words is "four hundred twenty-six million, twenty-seven thousand, five hundred fifty-seven".