3223400440 has 64 divisors (see below), whose sum is σ = 7863156000. Its totient is φ = 1182162432.

The previous prime is 3223400419. The next prime is 3223400459. The reversal of 3223400440 is 440043223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56679 + ... + 98281.

Almost surely, 2^3223400440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3223400440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931578000).

3223400440 is an abundant number, since it is smaller than the sum of its proper divisors (4639755560).

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

3223400440 is a wasteful number, since it uses less digits than its factorization.

3223400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41776 (or 41772 counting only the distinct ones).

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

The square root of 3223400440 is about 56774.9983707618. The cubic root of 3223400440 is about 1477.1958774456.

Adding to 3223400440 its reverse (440043223), we get a palindrome (3663443663).

The spelling of 3223400440 in words is "three billion, two hundred twenty-three million, four hundred thousand, four hundred forty".