655457402 has 16 divisors (see below), whose sum is σ = 1038768000. Its totient is φ = 309329280.

The previous prime is 655457399. The next prime is 655457431. The reversal of 655457402 is 204754556.

It is a super-3 number, since 3×655457402³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 21527 + ... + 42122.

It is an arithmetic number, because the mean of its divisors is an integer number (64923000).

Almost surely, 2^655457402 is an apocalyptic number.

655457402 is a deficient number, since it is larger than the sum of its proper divisors (383310598).

655457402 is a wasteful number, since it uses less digits than its factorization.

655457402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63941.

The product of its (nonzero) digits is 168000, while the sum is 38.

The square root of 655457402 is about 25601.9023121330. The cubic root of 655457402 is about 868.6566673572.

The spelling of 655457402 in words is "six hundred fifty-five million, four hundred fifty-seven thousand, four hundred two".