2391238080 has 672 divisors, whose sum is σ = 10544421888. Its totient is φ = 482918400.

The previous prime is 2391238067. The next prime is 2391238099. The reversal of 2391238080 is 808321932.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9092029 + ... + 9092291.

It is an arithmetic number, because the mean of its divisors is an integer number (15691104).

Almost surely, 2^2391238080 is an apocalyptic number.

2391238080 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 2391238080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5272210944).

2391238080 is an abundant number, since it is smaller than the sum of its proper divisors (8153183808).

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

2391238080 is a wasteful number, since it uses less digits than its factorization.

2391238080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2391238080 is about 48900.2871157215. The cubic root of 2391238080 is about 1337.2346028280.

It can be divided in two parts, 2391 and 238080, that added together give a triangular number (240471 = T₆₉₃).

The spelling of 2391238080 in words is "two billion, three hundred ninety-one million, two hundred thirty-eight thousand, eighty".