388942494720 has 528 divisors, whose sum is σ = 1354497279840. Its totient is φ = 95212535808.

The previous prime is 388942494719. The next prime is 388942494737. The reversal of 388942494720 is 27494249883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 698280682 + ... + 698281238.

Almost surely, 2^388942494720 is an apocalyptic number.

388942494720 is a gapful number since it is divisible by the number (30) 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 388942494720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677248639920).

388942494720 is an abundant number, since it is smaller than the sum of its proper divisors (965554785120).

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

388942494720 is a wasteful number, since it uses less digits than its factorization.

388942494720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 388942494720 in words is "three hundred eighty-eight billion, nine hundred forty-two million, four hundred ninety-four thousand, seven hundred twenty".