2372856640 has 448 divisors, whose sum is σ = 7584399360. Its totient is φ = 685301760.

The previous prime is 2372856623. The next prime is 2372856641. The reversal of 2372856640 is 466582732.

2372856640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2372856641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30036121 + ... + 30036199.

Almost surely, 2^2372856640 is an apocalyptic number.

2372856640 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 2372856640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3792199680).

2372856640 is an abundant number, since it is smaller than the sum of its proper divisors (5211542720).

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

2372856640 is a wasteful number, since it uses less digits than its factorization.

2372856640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 2372856640 is about 48711.9763507908. The cubic root of 2372856640 is about 1333.7993459941.

The spelling of 2372856640 in words is "two billion, three hundred seventy-two million, eight hundred fifty-six thousand, six hundred forty".