75440245204 has 6 divisors (see below), whose sum is σ = 132020429114. Its totient is φ = 37720122600.

The previous prime is 75440245171. The next prime is 75440245217. The reversal of 75440245204 is 40254204457.

It can be written as a sum of positive squares in only one way, i.e., 71791843600 + 3648401604 = 267940^2 + 60402^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9430030647 + ... + 9430030654.

Almost surely, 2^75440245204 is an apocalyptic number.

It is an amenable number.

75440245204 is a deficient number, since it is larger than the sum of its proper divisors (56580183910).

75440245204 is a wasteful number, since it uses less digits than its factorization.

75440245204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860061305 (or 18860061303 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 37.

The spelling of 75440245204 in words is "seventy-five billion, four hundred forty million, two hundred forty-five thousand, two hundred four".