498654516020 has 18 divisors (see below), whose sum is σ = 1047181115526. Its totient is φ = 199460543200.

The previous prime is 498654515941. The next prime is 498654516023. The reversal of 498654516020 is 20615456894.

It can be written as a sum of positive squares in 3 ways, for example, as 6016174096 + 492638341924 = 77564^2 + 701882^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 498654516020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498654516023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3079070 + ... + 3236970.

Almost surely, 2^498654516020 is an apocalyptic number.

It is an amenable number.

498654516020 is an abundant number, since it is smaller than the sum of its proper divisors (548526599506).

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

498654516020 is an frugal number, since it uses more digits than its factorization.

498654516020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315811 (or 157908 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 498654516020 in words is "four hundred ninety-eight billion, six hundred fifty-four million, five hundred sixteen thousand, twenty".