2315641590 has 192 divisors, whose sum is σ = 6523545600. Its totient is φ = 568657152.

The previous prime is 2315641567. The next prime is 2315641591. The reversal of 2315641590 is 951465132.

2315641590 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 64 + 1 + 590 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315641591) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5274591 + ... + 5275029.

It is an arithmetic number, because the mean of its divisors is an integer number (33976800).

Almost surely, 2^2315641590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2315641590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3261772800).

2315641590 is an abundant number, since it is smaller than the sum of its proper divisors (4207904010).

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

2315641590 is a wasteful number, since it uses less digits than its factorization.

2315641590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 2315641590 is about 48121.1137651655. The cubic root of 2315641590 is about 1322.9916820829.

It can be divided in two parts, 23156 and 41590, that added together give a palindrome (64746).

The spelling of 2315641590 in words is "two billion, three hundred fifteen million, six hundred forty-one thousand, five hundred ninety".