488992455 has 48 divisors (see below), whose sum is σ = 1019665920. Its totient is φ = 211771584.

The previous prime is 488992451. The next prime is 488992457. The reversal of 488992455 is 554299884.

It is a happy number.

488992455 is a `hidden beast` number, since 488 + 99 + 24 + 55 = 666.

It is not a de Polignac number, because 488992455 - 2² = 488992451 is a prime.

It is a super-2 number, since 2×488992455² = 478227242093854050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488992451) 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 in 47 ways as a sum of consecutive naturals, for example, 34867 + ... + 46836.

It is an arithmetic number, because the mean of its divisors is an integer number (21243040).

Almost surely, 2^488992455 is an apocalyptic number.

488992455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

488992455 is an abundant number, since it is smaller than the sum of its proper divisors (530673465).

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

488992455 is a wasteful number, since it uses less digits than its factorization.

488992455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81740 (or 81737 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 488992455 is about 22113.1737884909. The cubic root of 488992455 is about 787.8327905628.

It can be divided in two parts, 4889 and 92455, that added together give a square (97344 = 312²).

The spelling of 488992455 in words is "four hundred eighty-eight million, nine hundred ninety-two thousand, four hundred fifty-five".