499722498 has 54 divisors (see below), whose sum is σ = 1192600227. Its totient is φ = 151114920.

The previous prime is 499722469. The next prime is 499722523. The reversal of 499722498 is 894227994.

499722498 is a `hidden beast` number, since 49 + 97 + 22 + 498 = 666.

It can be written as a sum of positive squares in only one way, i.e., 249861249 + 249861249 = 15807^2 + 15807^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=15807.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1043023 + ... + 1043501.

Almost surely, 2^499722498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499722498

499722498 is an abundant number, since it is smaller than the sum of its proper divisors (692877729).

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

499722498 is a wasteful number, since it uses less digits than its factorization.

499722498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 495 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 499722498 is about 22354.4737804315. The cubic root of 499722498 is about 793.5536631554.

It can be divided in two parts, 4997 and 22498, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 499722498 in words is "four hundred ninety-nine million, seven hundred twenty-two thousand, four hundred ninety-eight".