75441440000 has 90 divisors (see below), whose sum is σ = 188175397410. Its totient is φ = 30176512000.

The previous prime is 75441439949. The next prime is 75441440029. The reversal of 75441440000 is 4414457.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 25851494656 + 49589945344 = 160784^2 + 222688^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 75755 + ... + 395754.

It is an arithmetic number, because the mean of its divisors is an integer number (2090837749).

Almost surely, 2^75441440000 is an apocalyptic number.

It is an amenable number.

75441440000 is an abundant number, since it is smaller than the sum of its proper divisors (112733957410).

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

75441440000 is an frugal number, since it uses more digits than its factorization.

75441440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471545 (or 471516 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

Adding to 75441440000 its reverse (4414457), we get a palindrome (75445854457).

The spelling of 75441440000 in words is "seventy-five billion, four hundred forty-one million, four hundred forty thousand".