2388990240 has 768 divisors, whose sum is σ = 10567065600. Its totient is φ = 490696704.

The previous prime is 2388990239. The next prime is 2388990281. The reversal of 2388990240 is 420998832.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23194029 + ... + 23194131.

It is an arithmetic number, because the mean of its divisors is an integer number (13759200).

Almost surely, 2^2388990240 is an apocalyptic number.

2388990240 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 2388990240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5283532800).

2388990240 is an abundant number, since it is smaller than the sum of its proper divisors (8178075360).

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

2388990240 is a wasteful number, since it uses less digits than its factorization.

2388990240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2388990240 is about 48877.2977976483. The cubic root of 2388990240 is about 1336.8154570830.

The spelling of 2388990240 in words is "two billion, three hundred eighty-eight million, nine hundred ninety thousand, two hundred forty".