3544199898624 has 1680 divisors, whose sum is σ = 13705342801920. Its totient is φ = 904842731520.

The previous prime is 3544199898599. The next prime is 3544199898683. The reversal of 3544199898624 is 4268989914453.

3544199898624 is a `hidden beast` number, since 3 + 5 + 441 + 9 + 9 + 89 + 86 + 24 = 666.

It is a super-2 number, since 2×3544199898624² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 15893272977 + ... + 15893273199.

It is an arithmetic number, because the mean of its divisors is an integer number (8157942144).

Almost surely, 2^{3544199898624} 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 3544199898624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6852671400960).

3544199898624 is an abundant number, since it is smaller than the sum of its proper divisors (10161142903296).

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

3544199898624 is an equidigital number, since it uses as much as digits as its factorization.

3544199898624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 325 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 72.

The spelling of 3544199898624 in words is "three trillion, five hundred forty-four billion, one hundred ninety-nine million, eight hundred ninety-eight thousand, six hundred twenty-four".