2491596696960 has 768 divisors, whose sum is σ = 10080010137600. Its totient is φ = 555288330240.

The previous prime is 2491596696931. The next prime is 2491596696961. The reversal of 2491596696960 is 696966951942.

2491596696960 is a `hidden beast` number, since 24 + 9 + 1 + 596 + 6 + 9 + 6 + 9 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491596696961) 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, 532503901 + ... + 532508579.

It is an arithmetic number, because the mean of its divisors is an integer number (13125013200).

Almost surely, 2^{2491596696960} is an apocalyptic number.

2491596696960 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 2491596696960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5040005068800).

2491596696960 is an abundant number, since it is smaller than the sum of its proper divisors (7588413440640).

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

2491596696960 is a wasteful number, since it uses less digits than its factorization.

2491596696960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039 (or 5024 counting only the distinct ones).

The product of its (nonzero) digits is 340122240, while the sum is 72.

The spelling of 2491596696960 in words is "two trillion, four hundred ninety-one billion, five hundred ninety-six million, six hundred ninety-six thousand, nine hundred sixty".