498261018 has 64 divisors (see below), whose sum is σ = 1053360000. Its totient is φ = 156950784.

The previous prime is 498261017. The next prime is 498261019. The reversal of 498261018 is 810162894.

It is an interprime number because it is at equal distance from previous prime (498261017) and next prime (498261019).

It is not an unprimeable number, because it can be changed into a prime (498261011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1427508 + ... + 1427856.

It is an arithmetic number, because the mean of its divisors is an integer number (16458750).

Almost surely, 2^498261018 is an apocalyptic number.

498261018 is an abundant number, since it is smaller than the sum of its proper divisors (555098982).

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

498261018 is a wasteful number, since it uses less digits than its factorization.

498261018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 498261018 is about 22321.7610864376. The cubic root of 498261018 is about 792.7793032120.

The spelling of 498261018 in words is "four hundred ninety-eight million, two hundred sixty-one thousand, eighteen".