498749580 has 144 divisors (see below), whose sum is σ = 1736454720. Its totient is φ = 113508864.

The previous prime is 498749579. The next prime is 498749599. The reversal of 498749580 is 85947894.

498749580 is a `hidden beast` number, since 498 + 74 + 9 + 5 + 80 = 666.

It is a super-2 number, since 2×498749580² = 497502287100352800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348306 + ... + 349734.

Almost surely, 2^498749580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498749580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868227360).

498749580 is an abundant number, since it is smaller than the sum of its proper divisors (1237705140).

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

498749580 is a wasteful number, since it uses less digits than its factorization.

498749580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 498749580 is about 22332.7020308784. The cubic root of 498749580 is about 793.0383343240.

The spelling of 498749580 in words is "four hundred ninety-eight million, seven hundred forty-nine thousand, five hundred eighty".