2190400592 has 20 divisors (see below), whose sum is σ = 4358602356. Its totient is φ = 1065600000.

The previous prime is 2190400571. The next prime is 2190400601. The reversal of 2190400592 is 2950040912.

It can be written as a sum of positive squares in 2 ways, for example, as 1876968976 + 313431616 = 43324^2 + 17704^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849409 + ... + 1850592.

Almost surely, 2^2190400592 is an apocalyptic number.

It is an amenable number.

2190400592 is a deficient number, since it is larger than the sum of its proper divisors (2168201764).

2190400592 is a wasteful number, since it uses less digits than its factorization.

2190400592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700046 (or 3700040 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 2190400592 is about 46801.7156950469. The cubic root of 2190400592 is about 1298.6970361191.

The spelling of 2190400592 in words is "two billion, one hundred ninety million, four hundred thousand, five hundred ninety-two".