3522115720340 has 144 divisors (see below), whose sum is σ = 8963065520640. Its totient is φ = 1157905808640.

The previous prime is 3522115720313. The next prime is 3522115720399. The reversal of 3522115720340 is 430275112253.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3522115720340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2779607 + ... + 3843233.

It is an arithmetic number, because the mean of its divisors is an integer number (62243510560).

Almost surely, 2^{3522115720340} 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 3522115720340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481532760320).

3522115720340 is an abundant number, since it is smaller than the sum of its proper divisors (5440949800300).

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

3522115720340 is a wasteful number, since it uses less digits than its factorization.

3522115720340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063790 (or 1063781 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 3522115720340 in words is "three trillion, five hundred twenty-two billion, one hundred fifteen million, seven hundred twenty thousand, three hundred forty".