187147223040 has 320 divisors, whose sum is σ = 611528940000. Its totient is φ = 48855252992.

The previous prime is 187147222967. The next prime is 187147223057. The reversal of 187147223040 is 40322741781.

It is a tau number, because it is divible by the number of its divisors (320).

It is a self number, because there is not a number n which added to its sum of digits gives 187147223040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416808736 + ... + 416809184.

Almost surely, 2^187147223040 is an apocalyptic number.

187147223040 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 187147223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305764470000).

187147223040 is an abundant number, since it is smaller than the sum of its proper divisors (424381716960).

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

187147223040 is an frugal number, since it uses more digits than its factorization.

187147223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 187147223040 in words is "one hundred eighty-seven billion, one hundred forty-seven million, two hundred twenty-three thousand, forty".