75461223040 has 96 divisors (see below), whose sum is σ = 209852550900. Its totient is φ = 25872408576.

The previous prime is 75461223011. The next prime is 75461223059. The reversal of 75461223040 is 4032216457.

It can be written as a sum of positive squares in 2 ways, for example, as 65868195904 + 9593027136 = 256648^2 + 97944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75461222987 and 75461223005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1171785 + ... + 1234504.

Almost surely, 2^75461223040 is an apocalyptic number.

75461223040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75461223040 is an abundant number, since it is smaller than the sum of its proper divisors (134391327860).

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

75461223040 is a wasteful number, since it uses less digits than its factorization.

75461223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406322 (or 2406303 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 75461223040 its reverse (4032216457), we get a palindrome (79493439497).

The spelling of 75461223040 in words is "seventy-five billion, four hundred sixty-one million, two hundred twenty-three thousand, forty".