3198497955408 has 240 divisors, whose sum is σ = 10691555696640. Its totient is φ = 872760151296.

The previous prime is 3198497955403. The next prime is 3198497955413. The reversal of 3198497955408 is 8045597948913.

3198497955408 is a `hidden beast` number, since 3 + 1 + 9 + 8 + 4 + 9 + 79 + 5 + 540 + 8 = 666.

3198497955408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3198497955403) and next prime (3198497955413).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198497955403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14800033 + ... + 15014591.

It is an arithmetic number, because the mean of its divisors is an integer number (44548148736).

Almost surely, 2^{3198497955408} 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 3198497955408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5345777848320).

3198497955408 is an abundant number, since it is smaller than the sum of its proper divisors (7493057741232).

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

3198497955408 is a wasteful number, since it uses less digits than its factorization.

3198497955408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215246 (or 215237 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 72.

The spelling of 3198497955408 in words is "three trillion, one hundred ninety-eight billion, four hundred ninety-seven million, nine hundred fifty-five thousand, four hundred eight".