2202404040 has 64 divisors (see below), whose sum is σ = 7341350400. Its totient is φ = 587307456.

The previous prime is 2202403999. The next prime is 2202404047. The reversal of 2202404040 is 404042022.

2202404040 is a `hidden beast` number, since 2 + 20 + 240 + 404 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2202404047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018552 + ... + 1020711.

It is an arithmetic number, because the mean of its divisors is an integer number (114708600).

Almost surely, 2^2202404040 is an apocalyptic number.

2202404040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202404040 is an abundant number, since it is smaller than the sum of its proper divisors (5138946360).

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

2202404040 is a wasteful number, since it uses less digits than its factorization.

2202404040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039283 (or 2039273 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2202404040 is about 46929.7777535756. Note that the first 4 decimals coincide. The cubic root of 2202404040 is about 1301.0650128615.

Adding to 2202404040 its reverse (404042022), we get a palindrome (2606446062).

The spelling of 2202404040 in words is "two billion, two hundred two million, four hundred four thousand, forty".