3322736640 has 260 divisors, whose sum is σ = 11917118664. Its totient is φ = 885620736.

The previous prime is 3322736639. The next prime is 3322736671. The reversal of 3322736640 is 466372233.

3322736640 is a `hidden beast` number, since 3 + 3 + 2 + 2 + 7 + 3 + 6 + 640 = 666.

It is a super-2 number, since 2×3322736640² = 22081157557596979200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3322736595 and 3322736604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1657879 + ... + 1659881.

Almost surely, 2^3322736640 is an apocalyptic number.

3322736640 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 3322736640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5958559332).

3322736640 is an abundant number, since it is smaller than the sum of its proper divisors (8594382024).

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

3322736640 is an equidigital number, since it uses as much as digits as its factorization.

3322736640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 36.

The square root of 3322736640 is about 57643.1838121386. The cubic root of 3322736640 is about 1492.2169661018.

The spelling of 3322736640 in words is "three billion, three hundred twenty-two million, seven hundred thirty-six thousand, six hundred forty".