3518530644432 has 20 divisors (see below), whose sum is σ = 9089537498240. Its totient is φ = 1172843548128.

The previous prime is 3518530644427. The next prime is 3518530644437. The reversal of 3518530644432 is 2344460358153.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3518530644427) and next prime (3518530644437).

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 73302721759 = 3518530644432 / (3 + 5 + 1 + 8 + 5 + 3 + 0 + 6 + 4 + 4 + 4 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3518530644437) 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, 36651360832 + ... + 36651360927.

It is an arithmetic number, because the mean of its divisors is an integer number (454476874912).

Almost surely, 2^{3518530644432} is an apocalyptic number.

It is an amenable number.

3518530644432 is an abundant number, since it is smaller than the sum of its proper divisors (5571006853808).

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

3518530644432 is a wasteful number, since it uses less digits than its factorization.

3518530644432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73302721770 (or 73302721764 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 3518530644432 in words is "three trillion, five hundred eighteen billion, five hundred thirty million, six hundred forty-four thousand, four hundred thirty-two".