187830500240 has 20 divisors (see below), whose sum is σ = 436705913244. Its totient is φ = 75132200064.

The previous prime is 187830500203. The next prime is 187830500261. The reversal of 187830500240 is 42005038781.

It can be written as a sum of positive squares in 2 ways, for example, as 145642983424 + 42187516816 = 381632^2 + 205396^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 187830500194 and 187830500203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173940547 + ... + 1173940706.

Almost surely, 2^187830500240 is an apocalyptic number.

187830500240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187830500240 is an abundant number, since it is smaller than the sum of its proper divisors (248875413004).

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

187830500240 is a wasteful number, since it uses less digits than its factorization.

187830500240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347881266 (or 2347881260 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 187830500240 in words is "one hundred eighty-seven billion, eight hundred thirty million, five hundred thousand, two hundred forty".