7840948157496 has 24 divisors (see below), whose sum is σ = 21235901260080. Its totient is φ = 2613649385808.

The previous prime is 7840948157491. The next prime is 7840948157519. The reversal of 7840948157496 is 6947518490487.

7840948157496 is a `hidden beast` number, since 7 + 8 + 4 + 0 + 9 + 4 + 81 + 57 + 496 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×7840948157496² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 108902057743 = 7840948157496 / (7 + 8 + 4 + 0 + 9 + 4 + 8 + 1 + 5 + 7 + 4 + 9 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7840948157491) 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, 54451028800 + ... + 54451028943.

It is an arithmetic number, because the mean of its divisors is an integer number (884829219170).

Almost surely, 2^{7840948157496} is an apocalyptic number.

It is an amenable number.

7840948157496 is an abundant number, since it is smaller than the sum of its proper divisors (13394953102584).

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

7840948157496 is a wasteful number, since it uses less digits than its factorization.

7840948157496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108902057755 (or 108902057748 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 7840948157496 in words is "seven trillion, eight hundred forty billion, nine hundred forty-eight million, one hundred fifty-seven thousand, four hundred ninety-six".