2491941276 has 108 divisors (see below), whose sum is σ = 7288426600. Its totient is φ = 715366080.

The previous prime is 2491941271. The next prime is 2491941281. The reversal of 2491941276 is 6721491942.

2491941276 is a `hidden beast` number, since 2 + 491 + 94 + 1 + 2 + 76 = 666.

It is an interprime number because it is at equal distance from previous prime (2491941271) and next prime (2491941281).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491941271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67710 + ... + 97818.

Almost surely, 2^2491941276 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 2491941276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3644213300).

2491941276 is an abundant number, since it is smaller than the sum of its proper divisors (4796485324).

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

2491941276 is a wasteful number, since it uses less digits than its factorization.

2491941276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30160 (or 30144 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2491941276 is about 49919.3477120845. The cubic root of 2491941276 is about 1355.7489223701.

The spelling of 2491941276 in words is "two billion, four hundred ninety-one million, nine hundred forty-one thousand, two hundred seventy-six".