288639725740 has 12 divisors (see below), whose sum is σ = 606143424096. Its totient is φ = 115455890288.

The previous prime is 288639725707. The next prime is 288639725741. The reversal of 288639725740 is 47527936882.

It is not an unprimeable number, because it can be changed into a prime (288639725741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215993124 + ... + 7215993163.

It is an arithmetic number, because the mean of its divisors is an integer number (50511952008).

Almost surely, 2^288639725740 is an apocalyptic number.

288639725740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288639725740 is an abundant number, since it is smaller than the sum of its proper divisors (317503698356).

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

288639725740 is a wasteful number, since it uses less digits than its factorization.

288639725740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14431986296 (or 14431986294 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 288639725740 in words is "two hundred eighty-eight billion, six hundred thirty-nine million, seven hundred twenty-five thousand, seven hundred forty".