657048426 has 16 divisors (see below), whose sum is σ = 1336370400. Its totient is φ = 215303888.

The previous prime is 657048421. The next prime is 657048437. The reversal of 657048426 is 624840756.

657048426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (657048421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927681 + ... + 928388.

It is an arithmetic number, because the mean of its divisors is an integer number (83523150).

Almost surely, 2^657048426 is an apocalyptic number.

657048426 is an abundant number, since it is smaller than the sum of its proper divisors (679321974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

657048426 is a wasteful number, since it uses less digits than its factorization.

657048426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856133.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 657048426 is about 25632.9558576454. The cubic root of 657048426 is about 869.3589437953.

The spelling of 657048426 in words is "six hundred fifty-seven million, forty-eight thousand, four hundred twenty-six".