3520037145204 has 18 divisors (see below), whose sum is σ = 8897871672690. Its totient is φ = 1173345715056.

The previous prime is 3520037145203. The next prime is 3520037145217. The reversal of 3520037145204 is 4025417300253.

3520037145204 is a `hidden beast` number, since 3 + 520 + 0 + 3 + 71 + 45 + 20 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3518257992804 + 1779152400 = 1875702^2 + 42180^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 97778809589 = 3520037145204 / (3 + 5 + 2 + 0 + 0 + 3 + 7 + 1 + 4 + 5 + 2 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520037145203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48889404759 + ... + 48889404830.

Almost surely, 2^{3520037145204} is an apocalyptic number.

It is an amenable number.

3520037145204 is an abundant number, since it is smaller than the sum of its proper divisors (5377834527486).

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

3520037145204 is a wasteful number, since it uses less digits than its factorization.

3520037145204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97778809599 (or 97778809594 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 3520037145204 in words is "three trillion, five hundred twenty billion, thirty-seven million, one hundred forty-five thousand, two hundred four".