3525411308440 has 128 divisors (see below), whose sum is σ = 9279542736000. Its totient is φ = 1204897989120.

The previous prime is 3525411308437. The next prime is 3525411308501. The reversal of 3525411308440 is 448031145253.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3525411308393 and 3525411308402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3943950 + ... + 4754530.

It is an arithmetic number, because the mean of its divisors is an integer number (72496427625).

Almost surely, 2^{3525411308440} 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 3525411308440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4639771368000).

3525411308440 is an abundant number, since it is smaller than the sum of its proper divisors (5754131427560).

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

3525411308440 is a wasteful number, since it uses less digits than its factorization.

3525411308440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810930 (or 810912 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 3525411308440 in words is "three trillion, five hundred twenty-five billion, four hundred eleven million, three hundred eight thousand, four hundred forty".