3366640431264 has 192 divisors, whose sum is σ = 9849691393920. Its totient is φ = 998329221120.

The previous prime is 3366640431251. The next prime is 3366640431311. The reversal of 3366640431264 is 4621340466633.

It is a super-2 number, since 2×3366640431264² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8931802 + ... + 9301094.

It is an arithmetic number, because the mean of its divisors is an integer number (51300476010).

Almost surely, 2^{3366640431264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3366640431264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4924845696960).

3366640431264 is an abundant number, since it is smaller than the sum of its proper divisors (6483050962656).

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

3366640431264 is a wasteful number, since it uses less digits than its factorization.

3366640431264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369503 (or 369495 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 48.

Adding to 3366640431264 its reverse (4621340466633), we get a palindrome (7987980897897).

The spelling of 3366640431264 in words is "three trillion, three hundred sixty-six billion, six hundred forty million, four hundred thirty-one thousand, two hundred sixty-four".