7846238540640 has 384 divisors, whose sum is σ = 25512512191488. Its totient is φ = 2026222387200.

The previous prime is 7846238540551. The next prime is 7846238540653. The reversal of 7846238540640 is 460458326487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 471039192 + ... + 471055848.

It is an arithmetic number, because the mean of its divisors is an integer number (66438833832).

Almost surely, 2^{7846238540640} 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 7846238540640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12756256095744).

7846238540640 is an abundant number, since it is smaller than the sum of its proper divisors (17666273650848).

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

7846238540640 is a wasteful number, since it uses less digits than its factorization.

7846238540640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16990 (or 16982 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 57.

The spelling of 7846238540640 in words is "seven trillion, eight hundred forty-six billion, two hundred thirty-eight million, five hundred forty thousand, six hundred forty".