2194840132 has 24 divisors (see below), whose sum is σ = 3910599000. Its totient is φ = 1077705216.

The previous prime is 2194840127. The next prime is 2194840181. The reversal of 2194840132 is 2310484912.

It can be written as a sum of positive squares in 4 ways, for example, as 2353156 + 2192486976 = 1534^2 + 46824^2 .

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, 26994 + ... + 71542.

It is an arithmetic number, because the mean of its divisors is an integer number (162941625).

Almost surely, 2^2194840132 is an apocalyptic number.

It is an amenable number.

2194840132 is a deficient number, since it is larger than the sum of its proper divisors (1715758868).

2194840132 is a wasteful number, since it uses less digits than its factorization.

2194840132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44775 (or 44773 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2194840132 is about 46849.1209309204. The cubic root of 2194840132 is about 1299.5738508531.

The spelling of 2194840132 in words is "two billion, one hundred ninety-four million, eight hundred forty thousand, one hundred thirty-two".