387990992480 has 576 divisors, whose sum is σ = 1189529494272. Its totient is φ = 118444032000.

The previous prime is 387990992423. The next prime is 387990992509. The reversal of 387990992480 is 84299099783.

It is a self number, because there is not a number n which added to its sum of digits gives 387990992480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 516632105 + ... + 516632855.

It is an arithmetic number, because the mean of its divisors is an integer number (2065155372).

Almost surely, 2^387990992480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387990992480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594764747136).

387990992480 is an abundant number, since it is smaller than the sum of its proper divisors (801538501792).

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

387990992480 is a wasteful number, since it uses less digits than its factorization.

387990992480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 68.

The spelling of 387990992480 in words is "three hundred eighty-seven billion, nine hundred ninety million, nine hundred ninety-two thousand, four hundred eighty".