3266023304640 has 224 divisors, whose sum is σ = 11003138475264. Its totient is φ = 817950638080.

The previous prime is 3266023304611. The next prime is 3266023304641. The reversal of 3266023304640 is 464033206623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3266023304641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7407175 + ... + 7835705.

Almost surely, 2^{3266023304640} is an apocalyptic number.

3266023304640 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 3266023304640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5501569237632).

3266023304640 is an abundant number, since it is smaller than the sum of its proper divisors (7737115170624).

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

3266023304640 is a wasteful number, since it uses less digits than its factorization.

3266023304640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429035 (or 429025 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 39.

The spelling of 3266023304640 in words is "three trillion, two hundred sixty-six billion, twenty-three million, three hundred four thousand, six hundred forty".