2196723740 has 24 divisors (see below), whose sum is σ = 4658798592. Its totient is φ = 869988800.

The previous prime is 2196723713. The next prime is 2196723751. The reversal of 2196723740 is 473276912.

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, 541724 + ... + 545763.

It is an arithmetic number, because the mean of its divisors is an integer number (194116608).

Almost surely, 2^2196723740 is an apocalyptic number.

2196723740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196723740 is an abundant number, since it is smaller than the sum of its proper divisors (2462074852).

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

2196723740 is a wasteful number, since it uses less digits than its factorization.

2196723740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087597 (or 1087595 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2196723740 is about 46869.2195369200. The cubic root of 2196723740 is about 1299.9455085641.

The spelling of 2196723740 in words is "two billion, one hundred ninety-six million, seven hundred twenty-three thousand, seven hundred forty".