3223978179840 has 432 divisors, whose sum is σ = 12226458718656. Its totient is φ = 777859891200.

The previous prime is 3223978179791. The next prime is 3223978179847. The reversal of 3223978179840 is 489718793223.

3223978179840 is a `hidden beast` number, since 3 + 22 + 397 + 81 + 79 + 84 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223978179847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26677632 + ... + 26798208.

Almost surely, 2^{3223978179840} is an apocalyptic number.

3223978179840 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 3223978179840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6113229359328).

3223978179840 is an abundant number, since it is smaller than the sum of its proper divisors (9002480538816).

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

3223978179840 is a wasteful number, since it uses less digits than its factorization.

3223978179840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120826 (or 120809 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 3223978179840 in words is "three trillion, two hundred twenty-three billion, nine hundred seventy-eight million, one hundred seventy-nine thousand, eight hundred forty".