498198540 has 96 divisors (see below), whose sum is σ = 1649249280. Its totient is φ = 109944576.

The previous prime is 498198539. The next prime is 498198553. The reversal of 498198540 is 45891894.

It is a self number, because there is not a number n which added to its sum of digits gives 498198540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8272 + ... + 32631.

It is an arithmetic number, because the mean of its divisors is an integer number (17179680).

Almost surely, 2^498198540 is an apocalyptic number.

It is an amenable number.

498198540 is an abundant number, since it is smaller than the sum of its proper divisors (1151050740).

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

498198540 is a wasteful number, since it uses less digits than its factorization.

498198540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40951 (or 40949 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 498198540 is about 22320.3615562114. The cubic root of 498198540 is about 792.7461657372.

The spelling of 498198540 in words is "four hundred ninety-eight million, one hundred ninety-eight thousand, five hundred forty".