2190428724 has 24 divisors (see below), whose sum is σ = 5575637088. Its totient is φ = 663766240.

The previous prime is 2190428717. The next prime is 2190428741. The reversal of 2190428724 is 4278240912.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 8296947 + ... + 8297210.

It is an arithmetic number, because the mean of its divisors is an integer number (232318212).

Almost surely, 2^2190428724 is an apocalyptic number.

It is an amenable number.

2190428724 is an abundant number, since it is smaller than the sum of its proper divisors (3385208364).

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

2190428724 is a wasteful number, since it uses less digits than its factorization.

2190428724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16594175 (or 16594173 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 2190428724 is about 46802.0162386195. The cubic root of 2190428724 is about 1298.7025959528.

The spelling of 2190428724 in words is "two billion, one hundred ninety million, four hundred twenty-eight thousand, seven hundred twenty-four".