2190944533908 has 96 divisors (see below), whose sum is σ = 5748664320000. Its totient is φ = 644394731904.

The previous prime is 2190944533891. The next prime is 2190944533957. The reversal of 2190944533908 is 8093354490912.

It is a super-2 number, since 2×2190944533908² (a number of 25 digits) contains 22 as substring.

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, 5174733 + ... + 5582091.

It is an arithmetic number, because the mean of its divisors is an integer number (59881920000).

Almost surely, 2^{2190944533908} 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 2190944533908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2874332160000).

2190944533908 is an abundant number, since it is smaller than the sum of its proper divisors (3557719786092).

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

2190944533908 is a wasteful number, since it uses less digits than its factorization.

2190944533908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408901 (or 408899 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 2190944533908 in words is "two trillion, one hundred ninety billion, nine hundred forty-four million, five hundred thirty-three thousand, nine hundred eight".