393989519880000 has 1120 divisors, whose sum is σ = 1662037677696000. Its totient is φ = 90485579520000.

The previous prime is 393989519879993. The next prime is 393989519880023. The reversal of 393989519880000 is 88915989393.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 224847261 + ... + 226592739.

Almost surely, 2^{393989519880000} is an apocalyptic number.

393989519880000 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 393989519880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831018838848000).

393989519880000 is an abundant number, since it is smaller than the sum of its proper divisors (1268048157816000).

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

393989519880000 is a wasteful number, since it uses less digits than its factorization.

393989519880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745550 (or 1745519 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 72.

The spelling of 393989519880000 in words is "three hundred ninety-three trillion, nine hundred eighty-nine billion, five hundred nineteen million, eight hundred eighty thousand".