75256252140 has 24 divisors (see below), whose sum is σ = 210717506160. Its totient is φ = 20068333888.

The previous prime is 75256252121. The next prime is 75256252151. The reversal of 75256252140 is 4125265257.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627135375 + ... + 627135494.

It is an arithmetic number, because the mean of its divisors is an integer number (8779896090).

Almost surely, 2^75256252140 is an apocalyptic number.

It is an amenable number.

75256252140 is an abundant number, since it is smaller than the sum of its proper divisors (135461254020).

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

75256252140 is a wasteful number, since it uses less digits than its factorization.

75256252140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254270881 (or 1254270879 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 75256252140 in words is "seventy-five billion, two hundred fifty-six million, two hundred fifty-two thousand, one hundred forty".