75481401540 has 96 divisors (see below), whose sum is σ = 212502536064. Its totient is φ = 20018718720.

The previous prime is 75481401493. The next prime is 75481401577. The reversal of 75481401540 is 4510418457.

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, 8508187 + ... + 8517053.

It is an arithmetic number, because the mean of its divisors is an integer number (2213568084).

Almost surely, 2^75481401540 is an apocalyptic number.

It is an amenable number.

75481401540 is an abundant number, since it is smaller than the sum of its proper divisors (137021134524).

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

75481401540 is a wasteful number, since it uses less digits than its factorization.

75481401540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9637 (or 9635 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

Adding to 75481401540 its reverse (4510418457), we get a palindrome (79991819997).

The spelling of 75481401540 in words is "seventy-five billion, four hundred eighty-one million, four hundred one thousand, five hundred forty".