100198803240 has 48 divisors (see below), whose sum is σ = 325646111700. Its totient is φ = 26719680768.

The previous prime is 100198803239. The next prime is 100198803247. The reversal of 100198803240 is 42308891001.

It can be written as a sum of positive squares in 2 ways, for example, as 95826155364 + 4372647876 = 309558^2 + 66126^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 100198803195 and 100198803204.

It is not an unprimeable number, because it can be changed into a prime (100198803247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139164645 + ... + 139165364.

Almost surely, 2^100198803240 is an apocalyptic number.

100198803240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100198803240 is an abundant number, since it is smaller than the sum of its proper divisors (225447308460).

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

100198803240 is a wasteful number, since it uses less digits than its factorization.

100198803240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278330026 (or 278330019 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 100198803240 in words is "one hundred billion, one hundred ninety-eight million, eight hundred three thousand, two hundred forty".