75460260640 has 24 divisors (see below), whose sum is σ = 178274866140. Its totient is φ = 30184104192.

The previous prime is 75460260619. The next prime is 75460260643. The reversal of 75460260640 is 4606206457.

It can be written as a sum of positive squares in 2 ways, for example, as 71710412944 + 3749847696 = 267788^2 + 61236^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 75460260593 and 75460260602.

It is not an unprimeable number, because it can be changed into a prime (75460260643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235813155 + ... + 235813474.

Almost surely, 2^75460260640 is an apocalyptic number.

It is an amenable number.

75460260640 is an abundant number, since it is smaller than the sum of its proper divisors (102814605500).

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

75460260640 is a wasteful number, since it uses less digits than its factorization.

75460260640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471626644 (or 471626636 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 75460260640 in words is "seventy-five billion, four hundred sixty million, two hundred sixty thousand, six hundred forty".