2230032440 has 32 divisors (see below), whose sum is σ = 5102622000. Its totient is φ = 876893184.

The previous prime is 2230032421. The next prime is 2230032479. The reversal of 2230032440 is 442300322.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 470105 + ... + 474824.

Almost surely, 2^2230032440 is an apocalyptic number.

2230032440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230032440 is an abundant number, since it is smaller than the sum of its proper divisors (2872589560).

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

2230032440 is a wasteful number, since it uses less digits than its factorization.

2230032440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944999 (or 944995 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2230032440 is about 47223.2192888202. The cubic root of 2230032440 is about 1306.4828912837.

Adding to 2230032440 its reverse (442300322), we get a palindrome (2672332762).

The spelling of 2230032440 in words is "two billion, two hundred thirty million, thirty-two thousand, four hundred forty".