187452138720 has 384 divisors, whose sum is σ = 737279262720. Its totient is φ = 38892718080.

The previous prime is 187452138691. The next prime is 187452138733. The reversal of 187452138720 is 27831254781.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 187452138720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27310009 + ... + 27316871.

It is an arithmetic number, because the mean of its divisors is an integer number (1919998080).

Almost surely, 2^187452138720 is an apocalyptic number.

187452138720 is a gapful number since it is divisible by the number (10) 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 187452138720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368639631360).

187452138720 is an abundant number, since it is smaller than the sum of its proper divisors (549827124000).

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

187452138720 is a wasteful number, since it uses less digits than its factorization.

187452138720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638 (or 7630 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 187452138720 in words is "one hundred eighty-seven billion, four hundred fifty-two million, one hundred thirty-eight thousand, seven hundred twenty".