187400240552 has 32 divisors (see below), whose sum is σ = 401587398720. Its totient is φ = 80311297920.

The previous prime is 187400240513. The next prime is 187400240611. The reversal of 187400240552 is 255042004781.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1975652 + ... + 2068332.

It is an arithmetic number, because the mean of its divisors is an integer number (12549606210).

Almost surely, 2^187400240552 is an apocalyptic number.

It is an amenable number.

187400240552 is an abundant number, since it is smaller than the sum of its proper divisors (214187158168).

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

187400240552 is a wasteful number, since it uses less digits than its factorization.

187400240552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128801 (or 128797 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 187400240552 in words is "one hundred eighty-seven billion, four hundred million, two hundred forty thousand, five hundred fifty-two".