187649935480 has 64 divisors (see below), whose sum is σ = 492375960000. Its totient is φ = 64337116032.

The previous prime is 187649935471. The next prime is 187649935507. The reversal of 187649935480 is 84539946781.

187649935480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6824835 + ... + 6852274.

It is an arithmetic number, because the mean of its divisors is an integer number (7693374375).

Almost surely, 2^187649935480 is an apocalyptic number.

187649935480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187649935480 is an abundant number, since it is smaller than the sum of its proper divisors (304726024520).

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

187649935480 is a wasteful number, since it uses less digits than its factorization.

187649935480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677141 (or 13677123 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 187649935480 in words is "one hundred eighty-seven billion, six hundred forty-nine million, nine hundred thirty-five thousand, four hundred eighty".