75460304031440 has 40 divisors (see below), whose sum is σ = 181495041598440. Its totient is φ = 29143289831936.

The previous prime is 75460304031403. The next prime is 75460304031451. The reversal of 75460304031440 is 4413040306457.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29710610153536 + 45749693877904 = 5450744^2 + 6763852^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 16262994239 + ... + 16262998878.

It is an arithmetic number, because the mean of its divisors is an integer number (4537376039961).

Almost surely, 2^{75460304031440} is an apocalyptic number.

It is an amenable number.

75460304031440 is an abundant number, since it is smaller than the sum of its proper divisors (106034737567000).

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

75460304031440 is a wasteful number, since it uses less digits than its factorization.

75460304031440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32525993159 (or 32525993153 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

Adding to 75460304031440 its reverse (4413040306457), we get a palindrome (79873344337897).

The spelling of 75460304031440 in words is "seventy-five trillion, four hundred sixty billion, three hundred four million, thirty-one thousand, four hundred forty".