255440492 has 6 divisors (see below), whose sum is σ = 447020868. Its totient is φ = 127720244.

The previous prime is 255440483. The next prime is 255440501. The reversal of 255440492 is 294044552.

It is an interprime number because it is at equal distance from previous prime (255440483) and next prime (255440501).

It is an unprimeable number.

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, 31930058 + ... + 31930065.

It is an arithmetic number, because the mean of its divisors is an integer number (74503478).

Almost surely, 2^255440492 is an apocalyptic number.

It is an amenable number.

255440492 is a deficient number, since it is larger than the sum of its proper divisors (191580376).

255440492 is a wasteful number, since it uses less digits than its factorization.

255440492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63860127 (or 63860125 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 255440492 is about 15982.5058110423. The cubic root of 255440492 is about 634.4974981702.

The spelling of 255440492 in words is "two hundred fifty-five million, four hundred forty thousand, four hundred ninety-two".