2240133440 has 56 divisors (see below), whose sum is σ = 5615086560. Its totient is φ = 848890368.

The previous prime is 2240133431. The next prime is 2240133451. The reversal of 2240133440 is 443310422.

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, 178142 + ... + 190301.

Almost surely, 2^2240133440 is an apocalyptic number.

2240133440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240133440 is an abundant number, since it is smaller than the sum of its proper divisors (3374953120).

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

2240133440 is a wasteful number, since it uses less digits than its factorization.

2240133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368479 (or 368469 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2240133440 is about 47330.0479610997. The cubic root of 2240133440 is about 1308.4525051719.

Adding to 2240133440 its reverse (443310422), we get a palindrome (2683443862).

The spelling of 2240133440 in words is "two billion, two hundred forty million, one hundred thirty-three thousand, four hundred forty".