2291597593920 has 560 divisors, whose sum is σ = 8689411526400. Its totient is φ = 571591987200.

The previous prime is 2291597593919. The next prime is 2291597593937. The reversal of 2291597593920 is 293957951922.

2291597593920 is a `hidden beast` number, since 2 + 2 + 9 + 1 + 597 + 5 + 9 + 39 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 38876470 + ... + 38935370.

Almost surely, 2^{2291597593920} is an apocalyptic number.

2291597593920 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 2291597593920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4344705763200).

2291597593920 is an abundant number, since it is smaller than the sum of its proper divisors (6397813932480).

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

2291597593920 is a wasteful number, since it uses less digits than its factorization.

2291597593920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59028 (or 59009 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The spelling of 2291597593920 in words is "two trillion, two hundred ninety-one billion, five hundred ninety-seven million, five hundred ninety-three thousand, nine hundred twenty".