255477430 has 32 divisors (see below), whose sum is σ = 505782144. Its totient is φ = 92320896.

The previous prime is 255477427. The next prime is 255477449. The reversal of 255477430 is 34774552.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 255477430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14797 + ... + 27016.

It is an arithmetic number, because the mean of its divisors is an integer number (15805692).

Almost surely, 2^255477430 is an apocalyptic number.

255477430 is a deficient number, since it is larger than the sum of its proper divisors (250304714).

255477430 is a wasteful number, since it uses less digits than its factorization.

255477430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41880.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 255477430 is about 15983.6613452613. The cubic root of 255477430 is about 634.5280805559.

The spelling of 255477430 in words is "two hundred fifty-five million, four hundred seventy-seven thousand, four hundred thirty".