2491994096 has 80 divisors (see below), whose sum is σ = 5399654400. Its totient is φ = 1107201024.

The previous prime is 2491994083. The next prime is 2491994101. The reversal of 2491994096 is 6904991942.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1978715 + ... + 1979973.

It is an arithmetic number, because the mean of its divisors is an integer number (67495680).

Almost surely, 2^2491994096 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 2491994096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2699827200).

2491994096 is an abundant number, since it is smaller than the sum of its proper divisors (2907660304).

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

2491994096 is a wasteful number, since it uses less digits than its factorization.

2491994096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 2491994096 is about 49919.8767626684. The cubic root of 2491994096 is about 1355.7585012678.

The spelling of 2491994096 in words is "two billion, four hundred ninety-one million, nine hundred ninety-four thousand, ninety-six".