2190623744 has 88 divisors (see below), whose sum is σ = 4509950400. Its totient is φ = 1063116800.

The previous prime is 2190623717. The next prime is 2190623767. The reversal of 2190623744 is 4473260912.

It is a junction number, because it is equal to n+sod(n) for n = 2190623698 and 2190623707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6101837 + ... + 6102195.

Almost surely, 2^2190623744 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 2190623744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254975200).

2190623744 is an abundant number, since it is smaller than the sum of its proper divisors (2319326656).

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

2190623744 is a wasteful number, since it uses less digits than its factorization.

2190623744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2190623744 is about 46804.0996494965. The cubic root of 2190623744 is about 1298.7411371846.

The spelling of 2190623744 in words is "two billion, one hundred ninety million, six hundred twenty-three thousand, seven hundred forty-four".