3305139469272 has 128 divisors (see below), whose sum is σ = 9285871929600. Its totient is φ = 1089146870784.

The previous prime is 3305139469237. The next prime is 3305139469273. The reversal of 3305139469272 is 2729649315033.

3305139469272 is a `hidden beast` number, since 3 + 30 + 51 + 39 + 469 + 2 + 72 = 666.

3305139469272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3305139469272² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3305139469273) 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, 18916503 + ... + 19090425.

It is an arithmetic number, because the mean of its divisors is an integer number (72545874450).

Almost surely, 2^{3305139469272} 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 3305139469272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4642935964800).

3305139469272 is an abundant number, since it is smaller than the sum of its proper divisors (5980732460328).

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

3305139469272 is a wasteful number, since it uses less digits than its factorization.

3305139469272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174942 (or 174932 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 3305139469272 in words is "three trillion, three hundred five billion, one hundred thirty-nine million, four hundred sixty-nine thousand, two hundred seventy-two".