2190326044 has 24 divisors (see below), whose sum is σ = 3861451440. Its totient is φ = 1087085184.

The previous prime is 2190326027. The next prime is 2190326051. The reversal of 2190326044 is 4406230912.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2190325997 and 2190326015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300912 + ... + 308104.

It is an arithmetic number, because the mean of its divisors is an integer number (160893810).

Almost surely, 2^2190326044 is an apocalyptic number.

It is an amenable number.

2190326044 is a deficient number, since it is larger than the sum of its proper divisors (1671125396).

2190326044 is a wasteful number, since it uses less digits than its factorization.

2190326044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7749 (or 7747 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2190326044 is about 46800.9192644760. The cubic root of 2190326044 is about 1298.6823026855.

Adding to 2190326044 its reverse (4406230912), we get a palindrome (6596556956).

The spelling of 2190326044 in words is "two billion, one hundred ninety million, three hundred twenty-six thousand, forty-four".