76573444040 has 16 divisors (see below), whose sum is σ = 172290249180. Its totient is φ = 30629377600.

The previous prime is 76573444033. The next prime is 76573444043. The reversal of 76573444040 is 4044437567.

It can be written as a sum of positive squares in 2 ways, for example, as 64163929636 + 12409514404 = 253306^2 + 111398^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76573443982 and 76573444000.

It is not an unprimeable number, because it can be changed into a prime (76573444043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957168011 + ... + 957168090.

Almost surely, 2^76573444040 is an apocalyptic number.

It is an amenable number.

76573444040 is an abundant number, since it is smaller than the sum of its proper divisors (95716805140).

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

76573444040 is a wasteful number, since it uses less digits than its factorization.

76573444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914336112 (or 1914336108 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 44.

The spelling of 76573444040 in words is "seventy-six billion, five hundred seventy-three million, four hundred forty-four thousand, forty".