3223779240 has 128 divisors (see below), whose sum is σ = 10723777920. Its totient is φ = 768691200.

The previous prime is 3223779233. The next prime is 3223779263. The reversal of 3223779240 is 429773223.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60502 + ... + 100538.

It is an arithmetic number, because the mean of its divisors is an integer number (83779515).

Almost surely, 2^3223779240 is an apocalyptic number.

3223779240 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 3223779240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5361888960).

3223779240 is an abundant number, since it is smaller than the sum of its proper divisors (7499998680).

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

3223779240 is a wasteful number, since it uses less digits than its factorization.

3223779240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40123 (or 40119 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 3223779240 is about 56778.3342481972. The cubic root of 3223779240 is about 1477.2537397240.

The spelling of 3223779240 in words is "three billion, two hundred twenty-three million, seven hundred seventy-nine thousand, two hundred forty".