498985920 has 448 divisors, whose sum is σ = 1919508480. Its totient is φ = 123171840.

The previous prime is 498985913. The next prime is 498985979. The reversal of 498985920 is 29589894.

498985920 is a `hidden beast` number, since 49 + 8 + 9 + 8 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16096305 + ... + 16096335.

Almost surely, 2^498985920 is an apocalyptic number.

498985920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498985920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959754240).

498985920 is an abundant number, since it is smaller than the sum of its proper divisors (1420522560).

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

498985920 is an equidigital number, since it uses as much as digits as its factorization.

498985920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 498985920 is about 22337.9927477829. The cubic root of 498985920 is about 793.1635789292.

It can be divided in two parts, 4989 and 85920, that added together give a palindrome (90909).

The spelling of 498985920 in words is "four hundred ninety-eight million, nine hundred eighty-five thousand, nine hundred twenty".