2491062336 has 280 divisors, whose sum is σ = 8885814080. Its totient is φ = 674085888.

The previous prime is 2491062289. The next prime is 2491062349. The reversal of 2491062336 is 6332601942.

2491062336 is a `hidden beast` number, since 24 + 9 + 1 + 0 + 623 + 3 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2491062336.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 687666 + ... + 691278.

Almost surely, 2^2491062336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2491062336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4442907040).

2491062336 is an abundant number, since it is smaller than the sum of its proper divisors (6394751744).

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

2491062336 is a wasteful number, since it uses less digits than its factorization.

2491062336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 2491062336 is about 49910.5433350510. The cubic root of 2491062336 is about 1355.5895068845.

The spelling of 2491062336 in words is "two billion, four hundred ninety-one million, sixty-two thousand, three hundred thirty-six".