390296038920 has 128 divisors (see below), whose sum is σ = 1191083408640. Its totient is φ = 102286679040.

The previous prime is 390296038919. The next prime is 390296038933. The reversal of 390296038920 is 29830692093.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8930562 + ... + 8974158.

It is an arithmetic number, because the mean of its divisors is an integer number (9305339130).

Almost surely, 2^390296038920 is an apocalyptic number.

390296038920 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 390296038920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595541704320).

390296038920 is an abundant number, since it is smaller than the sum of its proper divisors (800787369720).

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

390296038920 is a wasteful number, since it uses less digits than its factorization.

390296038920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44895 (or 44891 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 390296038920 in words is "three hundred ninety billion, two hundred ninety-six million, thirty-eight thousand, nine hundred twenty".