390027290940 has 336 divisors, whose sum is σ = 1486019086272. Its totient is φ = 83904657408.

The previous prime is 390027290899. The next prime is 390027290959. The reversal of 390027290940 is 49092720093.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1622622 + ... + 1847418.

It is an arithmetic number, because the mean of its divisors is an integer number (4422675852).

Almost surely, 2^390027290940 is an apocalyptic number.

390027290940 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 390027290940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743009543136).

390027290940 is an abundant number, since it is smaller than the sum of its proper divisors (1095991795332).

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

390027290940 is a wasteful number, since it uses less digits than its factorization.

390027290940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224848 (or 224831 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 390027290940 in words is "three hundred ninety billion, twenty-seven million, two hundred ninety thousand, nine hundred forty".