2491672524 has 144 divisors (see below), whose sum is σ = 7023542400. Its totient is φ = 679416320.

The previous prime is 2491672511. The next prime is 2491672543. The reversal of 2491672524 is 4252761942.

It is a happy number.

2491672524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1186027 + ... + 1188125.

It is an arithmetic number, because the mean of its divisors is an integer number (48774600).

Almost surely, 2^2491672524 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 2491672524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3511771200).

2491672524 is an abundant number, since it is smaller than the sum of its proper divisors (4531869876).

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

2491672524 is a wasteful number, since it uses less digits than its factorization.

2491672524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2155 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 2491672524 is about 49916.6557774056. The cubic root of 2491672524 is about 1355.7001821453.

The spelling of 2491672524 in words is "two billion, four hundred ninety-one million, six hundred seventy-two thousand, five hundred twenty-four".