3320401305550 has 216 divisors, whose sum is σ = 7649614496016. Its totient is φ = 1068929809920.

The previous prime is 3320401305517. The next prime is 3320401305553. The reversal of 3320401305550 is 555031040233.

It is a super-2 number, since 2×3320401305550² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320401305553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 99926239 + ... + 99959461.

It is an arithmetic number, because the mean of its divisors is an integer number (35414881926).

Almost surely, 2^{3320401305550} is an apocalyptic number.

3320401305550 is an abundant number, since it is smaller than the sum of its proper divisors (4329213190466).

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

3320401305550 is a wasteful number, since it uses less digits than its factorization.

3320401305550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33400 (or 33369 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 3320401305550 its reverse (555031040233), we get a palindrome (3875432345783).

The spelling of 3320401305550 in words is "three trillion, three hundred twenty billion, four hundred one million, three hundred five thousand, five hundred fifty".