498816305820 has 432 divisors, whose sum is σ = 1833451296768. Its totient is φ = 107516263680.

The previous prime is 498816305807. The next prime is 498816305831. The reversal of 498816305820 is 28503618894.

498816305820 is a `hidden beast` number, since 49 + 8 + 8 + 16 + 3 + 0 + 582 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 103250805 + ... + 103255635.

It is an arithmetic number, because the mean of its divisors is an integer number (4244100224).

Almost surely, 2^498816305820 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 498816305820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (916725648384).

498816305820 is an abundant number, since it is smaller than the sum of its proper divisors (1334634990948).

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

498816305820 is a wasteful number, since it uses less digits than its factorization.

498816305820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118 (or 5094 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 498816305820 in words is "four hundred ninety-eight billion, eight hundred sixteen million, three hundred five thousand, eight hundred twenty".