3525043641840 has 480 divisors, whose sum is σ = 14179221668160. Its totient is φ = 802582953984.

The previous prime is 3525043641839. The next prime is 3525043641863. The reversal of 3525043641840 is 481463405253.

3525043641840 is a `hidden beast` number, since 3 + 5 + 2 + 504 + 3 + 64 + 1 + 84 + 0 = 666.

It is a super-2 number, since 2×3525043641840² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27136084 + ... + 27265676.

It is an arithmetic number, because the mean of its divisors is an integer number (29540045142).

Almost surely, 2^{3525043641840} is an apocalyptic number.

3525043641840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3525043641840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7089610834080).

3525043641840 is an abundant number, since it is smaller than the sum of its proper divisors (10654178026320).

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

3525043641840 is a wasteful number, since it uses less digits than its factorization.

3525043641840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129886 (or 129867 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 3525043641840 in words is "three trillion, five hundred twenty-five billion, forty-three million, six hundred forty-one thousand, eight hundred forty".