3230420440 has 32 divisors (see below), whose sum is σ = 7827558480. Its totient is φ = 1192770432.

The previous prime is 3230420419. The next prime is 3230420447. The reversal of 3230420440 is 440240323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230420447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3105654 + ... + 3106693.

Almost surely, 2^3230420440 is an apocalyptic number.

It is an amenable number.

3230420440 is an abundant number, since it is smaller than the sum of its proper divisors (4597138040).

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

3230420440 is a wasteful number, since it uses less digits than its factorization.

3230420440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212371 (or 6212367 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 3230420440 is about 56836.7877347058. The cubic root of 3230420440 is about 1478.2674576393.

Adding to 3230420440 its reverse (440240323), we get a palindrome (3670660763).

The spelling of 3230420440 in words is "three billion, two hundred thirty million, four hundred twenty thousand, four hundred forty".