2320040394 has 40 divisors (see below), whose sum is σ = 5941270368. Its totient is φ = 662868360.

The previous prime is 2320040381. The next prime is 2320040417. The reversal of 2320040394 is 4930400232.

It is a happy number.

2320040394 is a `hidden beast` number, since 232 + 0 + 0 + 40 + 394 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1021812 + ... + 1024079.

Almost surely, 2^2320040394 is an apocalyptic number.

2320040394 is an abundant number, since it is smaller than the sum of its proper divisors (3621229974).

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

2320040394 is a wasteful number, since it uses less digits than its factorization.

2320040394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045912 (or 2045903 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2320040394 is about 48166.7976307331. The cubic root of 2320040394 is about 1323.8288726689.

The spelling of 2320040394 in words is "two billion, three hundred twenty million, forty thousand, three hundred ninety-four".