75372041440 has 48 divisors (see below), whose sum is σ = 185808476448. Its totient is φ = 28837997056.

The previous prime is 75372041399. The next prime is 75372041453. The reversal of 75372041440 is 4414027357.

It is a self number, because there is not a number n which added to its sum of digits gives 75372041440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10237087 + ... + 10244446.

It is an arithmetic number, because the mean of its divisors is an integer number (3871009926).

Almost surely, 2^75372041440 is an apocalyptic number.

It is an amenable number.

75372041440 is an abundant number, since it is smaller than the sum of its proper divisors (110436435008).

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

75372041440 is a wasteful number, since it uses less digits than its factorization.

75372041440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20481571 (or 20481563 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

Adding to 75372041440 its reverse (4414027357), we get a palindrome (79786068797).

The spelling of 75372041440 in words is "seventy-five billion, three hundred seventy-two million, forty-one thousand, four hundred forty".