7491840496 has 120 divisors (see below), whose sum is σ = 17343741120. Its totient is φ = 3124832256.

The previous prime is 7491840491. The next prime is 7491840511. The reversal of 7491840496 is 6940481947.

It is a super-2 number, since 2×7491840496² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7491840491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4520500 + ... + 4522156.

It is an arithmetic number, because the mean of its divisors is an integer number (144531176).

Almost surely, 2^7491840496 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 7491840496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8671870560).

7491840496 is an abundant number, since it is smaller than the sum of its proper divisors (9851900624).

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

7491840496 is a wasteful number, since it uses less digits than its factorization.

7491840496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 7491840496 is about 86555.4186403139. The cubic root of 7491840496 is about 1956.7237101560.

The spelling of 7491840496 in words is "seven billion, four hundred ninety-one million, eight hundred forty thousand, four hundred ninety-six".