198116502474240 has 240 divisors, whose sum is σ = 784152193020768. Its totient is φ = 45283771957248.

The previous prime is 198116502474239. The next prime is 198116502474311. The reversal of 198116502474240 is 42474205611891.

198116502474240 is a `hidden beast` number, since 1 + 9 + 8 + 1 + 16 + 502 + 47 + 42 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 614039187 + ... + 614361746.

Almost surely, 2^{198116502474240} is an apocalyptic number.

198116502474240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198116502474240 is an abundant number, since it is smaller than the sum of its proper divisors (586035690546528).

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

198116502474240 is a wasteful number, since it uses less digits than its factorization.

198116502474240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228400969 (or 1228400950 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 198116502474240 in words is "one hundred ninety-eight trillion, one hundred sixteen billion, five hundred two million, four hundred seventy-four thousand, two hundred forty".