655789458 has 16 divisors (see below), whose sum is σ = 1336326336. Its totient is φ = 214471920.

The previous prime is 655789397. The next prime is 655789481. The reversal of 655789458 is 854987556.

It is a junction number, because it is equal to n+sod(n) for n = 655789398 and 655789407.

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, 1030798 + ... + 1031433.

It is an arithmetic number, because the mean of its divisors is an integer number (83520396).

Almost surely, 2^655789458 is an apocalyptic number.

655789458 is an abundant number, since it is smaller than the sum of its proper divisors (680536878).

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

655789458 is a wasteful number, since it uses less digits than its factorization.

655789458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062289.

The product of its digits is 12096000, while the sum is 57.

The square root of 655789458 is about 25608.3864778709. The cubic root of 655789458 is about 868.8033303148.

The spelling of 655789458 in words is "six hundred fifty-five million, seven hundred eighty-nine thousand, four hundred fifty-eight".