255400892 has 6 divisors (see below), whose sum is σ = 446951568. Its totient is φ = 127700444.

The previous prime is 255400891. The next prime is 255400919. The reversal of 255400892 is 298004552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255400891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31925108 + ... + 31925115.

It is an arithmetic number, because the mean of its divisors is an integer number (74491928).

Almost surely, 2^255400892 is an apocalyptic number.

It is an amenable number.

255400892 is a deficient number, since it is larger than the sum of its proper divisors (191550676).

255400892 is a wasteful number, since it uses less digits than its factorization.

255400892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63850227 (or 63850225 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 255400892 is about 15981.2669084776. The cubic root of 255400892 is about 634.4647085378.

The spelling of 255400892 in words is "two hundred fifty-five million, four hundred thousand, eight hundred ninety-two".