2491520329600 has 48 divisors (see below), whose sum is σ = 6154833822120. Its totient is φ = 996608130560.

The previous prime is 2491520329541. The next prime is 2491520329603. The reversal of 2491520329600 is 69230251942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491520329603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389296852 + ... + 389303251.

Almost surely, 2^{2491520329600} is an apocalyptic number.

2491520329600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2491520329600 is an abundant number, since it is smaller than the sum of its proper divisors (3663313492520).

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

2491520329600 is an equidigital number, since it uses as much as digits as its factorization.

2491520329600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778600127 (or 778600110 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 2491520329600 in words is "two trillion, four hundred ninety-one billion, five hundred twenty million, three hundred twenty-nine thousand, six hundred".