3223911240 has 256 divisors, whose sum is σ = 11997849600. Its totient is φ = 763257600.

The previous prime is 3223911209. The next prime is 3223911323. The reversal of 3223911240 is 421193223.

It is a happy number.

3223911240 is a `hidden beast` number, since 32 + 2 + 391 + 1 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 507685 + ... + 513995.

It is an arithmetic number, because the mean of its divisors is an integer number (46866600).

Almost surely, 2^3223911240 is an apocalyptic number.

3223911240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3223911240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5998924800).

3223911240 is an abundant number, since it is smaller than the sum of its proper divisors (8773938360).

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

3223911240 is a wasteful number, since it uses less digits than its factorization.

3223911240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385 (or 6375 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3223911240 is about 56779.4966515203. The cubic root of 3223911240 is about 1477.2739018606.

The spelling of 3223911240 in words is "three billion, two hundred twenty-three million, nine hundred eleven thousand, two hundred forty".