3533520018372 has 12 divisors (see below), whose sum is σ = 8244880042896. Its totient is φ = 1177840006120.

The previous prime is 3533520018367. The next prime is 3533520018373. The reversal of 3533520018372 is 2738100253353.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3533520018373) 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, 147230000754 + ... + 147230000777.

It is an arithmetic number, because the mean of its divisors is an integer number (687073336908).

Almost surely, 2^{3533520018372} is an apocalyptic number.

It is an amenable number.

3533520018372 is an abundant number, since it is smaller than the sum of its proper divisors (4711360024524).

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

3533520018372 is a wasteful number, since it uses less digits than its factorization.

3533520018372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294460001538 (or 294460001536 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 3533520018372 in words is "three trillion, five hundred thirty-three billion, five hundred twenty million, eighteen thousand, three hundred seventy-two".