75230431240 has 32 divisors (see below), whose sum is σ = 169396920000. Its totient is φ = 30069337024.

The previous prime is 75230431183. The next prime is 75230431267. The reversal of 75230431240 is 4213403257.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660190 + ... + 765709.

It is an arithmetic number, because the mean of its divisors is an integer number (5293653750).

Almost surely, 2^75230431240 is an apocalyptic number.

It is an amenable number.

75230431240 is an abundant number, since it is smaller than the sum of its proper divisors (94166488760).

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

75230431240 is a wasteful number, since it uses less digits than its factorization.

75230431240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427229 (or 1427225 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 75230431240 its reverse (4213403257), we get a palindrome (79443834497).

The spelling of 75230431240 in words is "seventy-five billion, two hundred thirty million, four hundred thirty-one thousand, two hundred forty".