7645241115840 has 224 divisors, whose sum is σ = 25814620984320. Its totient is φ = 1911517249536.

The previous prime is 7645241115779. The next prime is 7645241115857. The reversal of 7645241115840 is 485111425467.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 7645241115840.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391272 + ... + 3929831.

It is an arithmetic number, because the mean of its divisors is an integer number (115243843680).

Almost surely, 2^{7645241115840} 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 7645241115840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12907310492160).

7645241115840 is an abundant number, since it is smaller than the sum of its proper divisors (18169379868480).

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

7645241115840 is a wasteful number, since it uses less digits than its factorization.

7645241115840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321239 (or 4321229 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 7645241115840 in words is "seven trillion, six hundred forty-five billion, two hundred forty-one million, one hundred fifteen thousand, eight hundred forty".