7140243888 has 120 divisors (see below), whose sum is σ = 20716082816. Its totient is φ = 2293401600.

The previous prime is 7140243839. The next prime is 7140243893. The reversal of 7140243888 is 8883420417.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1072506 + ... + 1079142.

Almost surely, 2^7140243888 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 7140243888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10358041408).

7140243888 is an abundant number, since it is smaller than the sum of its proper divisors (13575838928).

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

7140243888 is a wasteful number, since it uses less digits than its factorization.

7140243888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6923 (or 6914 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 7140243888 is about 84499.9638343118. The cubic root of 7140243888 is about 1925.6218950252.

The spelling of 7140243888 in words is "seven billion, one hundred forty million, two hundred forty-three thousand, eight hundred eighty-eight".