75052560440 has 128 divisors (see below), whose sum is σ = 208832601600. Its totient is φ = 23866513920.

The previous prime is 75052560439. The next prime is 75052560481. The reversal of 75052560440 is 4406525057.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 75052560394 and 75052560403.

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, 236612 + ... + 453971.

It is an arithmetic number, because the mean of its divisors is an integer number (1631504700).

Almost surely, 2^75052560440 is an apocalyptic number.

It is an amenable number.

75052560440 is an abundant number, since it is smaller than the sum of its proper divisors (133780041160).

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

75052560440 is a wasteful number, since it uses less digits than its factorization.

75052560440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690637 (or 690633 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 75052560440 in words is "seventy-five billion, fifty-two million, five hundred sixty thousand, four hundred forty".