75899724240 has 160 divisors (see below), whose sum is σ = 237081968640. Its totient is φ = 20086092288.

The previous prime is 75899724227. The next prime is 75899724343. The reversal of 75899724240 is 4242799857.

It is a congruent number.

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, 43148481 + ... + 43150239.

It is an arithmetic number, because the mean of its divisors is an integer number (1481762304).

Almost surely, 2^75899724240 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 75899724240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118540984320).

75899724240 is an abundant number, since it is smaller than the sum of its proper divisors (161182244400).

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

75899724240 is a wasteful number, since it uses less digits than its factorization.

75899724240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041 (or 3035 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 75899724240 in words is "seventy-five billion, eight hundred ninety-nine million, seven hundred twenty-four thousand, two hundred forty".