187439042952 has 512 divisors, whose sum is σ = 645237964800. Its totient is φ = 49203044352.

The previous prime is 187439042891. The next prime is 187439043031. The reversal of 187439042952 is 259240934781.

187439042952 is a `hidden beast` number, since 1 + 87 + 4 + 3 + 90 + 429 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 218714908 + ... + 218715764.

It is an arithmetic number, because the mean of its divisors is an integer number (1260230400).

Almost surely, 2^187439042952 is an apocalyptic number.

187439042952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187439042952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322618982400).

187439042952 is an abundant number, since it is smaller than the sum of its proper divisors (457798921848).

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

187439042952 is a wasteful number, since it uses less digits than its factorization.

187439042952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 187439042952 in words is "one hundred eighty-seven billion, four hundred thirty-nine million, forty-two thousand, nine hundred fifty-two".