2497961844 has 144 divisors (see below), whose sum is σ = 8043235200. Its totient is φ = 636346368.

The previous prime is 2497961839. The next prime is 2497961887. The reversal of 2497961844 is 4481697942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66052 + ... + 96740.

It is an arithmetic number, because the mean of its divisors is an integer number (55855800).

Almost surely, 2^2497961844 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 2497961844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021617600).

2497961844 is an abundant number, since it is smaller than the sum of its proper divisors (5545273356).

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

2497961844 is a wasteful number, since it uses less digits than its factorization.

2497961844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30742 (or 30737 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 2497961844 is about 49979.6142842259. The cubic root of 2497961844 is about 1356.8398809183.

The spelling of 2497961844 in words is "two billion, four hundred ninety-seven million, nine hundred sixty-one thousand, eight hundred forty-four".