198499014740 has 24 divisors (see below), whose sum is σ = 448913157000. Its totient is φ = 73291943808.

The previous prime is 198499014739. The next prime is 198499014743. The reversal of 198499014740 is 47410994891.

It can be written as a sum of positive squares in 4 ways, for example, as 85784644 + 198413230096 = 9262^2 + 445436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198499014743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381728615 + ... + 381729134.

It is an arithmetic number, because the mean of its divisors is an integer number (18704714875).

Almost surely, 2^198499014740 is an apocalyptic number.

198499014740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198499014740 is an abundant number, since it is smaller than the sum of its proper divisors (250414142260).

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

198499014740 is a wasteful number, since it uses less digits than its factorization.

198499014740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763457771 (or 763457769 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 198499014740 in words is "one hundred ninety-eight billion, four hundred ninety-nine million, fourteen thousand, seven hundred forty".