3520070425188 has 72 divisors (see below), whose sum is σ = 9009061752600. Its totient is φ = 1158738087936.

The previous prime is 3520070425159. The next prime is 3520070425243. The reversal of 3520070425188 is 8815240700253.

3520070425188 is a `hidden beast` number, since 3 + 5 + 20 + 0 + 70 + 42 + 518 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 618437542464 + 2901632882724 = 786408^2 + 1703418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1913020 + ... + 3271052.

It is an arithmetic number, because the mean of its divisors is an integer number (125125857675).

Almost surely, 2^{3520070425188} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3520070425188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4504530876300).

3520070425188 is an abundant number, since it is smaller than the sum of its proper divisors (5488991327412).

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

3520070425188 is a wasteful number, since it uses less digits than its factorization.

3520070425188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358941 (or 1358936 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 3520070425188 in words is "three trillion, five hundred twenty billion, seventy million, four hundred twenty-five thousand, one hundred eighty-eight".