7157386863240 has 128 divisors (see below), whose sum is σ = 22264121894400. Its totient is φ = 1838545372160.

The previous prime is 7157386863229. The next prime is 7157386863257. The reversal of 7157386863240 is 423686837517.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 886107 + ... + 3885866.

It is an arithmetic number, because the mean of its divisors is an integer number (173938452300).

Almost surely, 2^{7157386863240} is an apocalyptic number.

It is an amenable number.

7157386863240 is an abundant number, since it is smaller than the sum of its proper divisors (15106735031160).

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

7157386863240 is a wasteful number, since it uses less digits than its factorization.

7157386863240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772447 (or 4772443 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 7157386863240 in words is "seven trillion, one hundred fifty-seven billion, three hundred eighty-six million, eight hundred sixty-three thousand, two hundred forty".