2379939840 has 272 divisors, whose sum is σ = 8493400800. Its totient is φ = 632291328.

The previous prime is 2379939823. The next prime is 2379939851. The reversal of 2379939840 is 489399732.

It is a super-2 number, since 2×2379939840² = 11328227284038451200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8847226 + ... + 8847494.

Almost surely, 2^2379939840 is an apocalyptic number.

2379939840 is a gapful number since it is divisible by the number (20) 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 2379939840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4246700400).

2379939840 is an abundant number, since it is smaller than the sum of its proper divisors (6113460960).

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

2379939840 is an frugal number, since it uses more digits than its factorization.

2379939840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 2379939840 is about 48784.6270868191. The cubic root of 2379939840 is about 1335.1251997213.

The spelling of 2379939840 in words is "two billion, three hundred seventy-nine million, nine hundred thirty-nine thousand, eight hundred forty".