7794253415540 has 24 divisors (see below), whose sum is σ = 16396698333960. Its totient is φ = 3112222097408.

The previous prime is 7794253415477. The next prime is 7794253415581. The reversal of 7794253415540 is 455143524977.

It can be written as a sum of positive squares in 4 ways, for example, as 1479225142756 + 6315028272784 = 1216234^2 + 2512972^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342442637 + ... + 342465396.

It is an arithmetic number, because the mean of its divisors is an integer number (683195763915).

Almost surely, 2^{7794253415540} is an apocalyptic number.

It is an amenable number.

7794253415540 is an abundant number, since it is smaller than the sum of its proper divisors (8602444918420).

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

7794253415540 is a wasteful number, since it uses less digits than its factorization.

7794253415540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684908611 (or 684908609 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 7794253415540 in words is "seven trillion, seven hundred ninety-four billion, two hundred fifty-three million, four hundred fifteen thousand, five hundred forty".