387401551180 has 48 divisors (see below), whose sum is σ = 984455712576. Its totient is φ = 125010247680.

The previous prime is 387401551171. The next prime is 387401551181. The reversal of 387401551180 is 81155104783.

It is not an unprimeable number, because it can be changed into a prime (387401551181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81384501 + ... + 81389260.

It is an arithmetic number, because the mean of its divisors is an integer number (20509494012).

Almost surely, 2^387401551180 is an apocalyptic number.

It is an amenable number.

387401551180 is an abundant number, since it is smaller than the sum of its proper divisors (597054161396).

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

387401551180 is a wasteful number, since it uses less digits than its factorization.

387401551180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162773794 (or 162773792 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 43.

The spelling of 387401551180 in words is "three hundred eighty-seven billion, four hundred one million, five hundred fifty-one thousand, one hundred eighty".