33145440334 has 16 divisors (see below), whose sum is σ = 50977364256. Its totient is φ = 16153724800.

The previous prime is 33145440329. The next prime is 33145440371. The reversal of 33145440334 is 43304454133.

It is a self number, because there is not a number n which added to its sum of digits gives 33145440334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94282 + ... + 274189.

It is an arithmetic number, because the mean of its divisors is an integer number (3186085266).

Almost surely, 2^33145440334 is an apocalyptic number.

33145440334 is a deficient number, since it is larger than the sum of its proper divisors (17831923922).

33145440334 is a wasteful number, since it uses less digits than its factorization.

33145440334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369611.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 33145440334 its reverse (43304454133), we get a palindrome (76449894467).

The spelling of 33145440334 in words is "thirty-three billion, one hundred forty-five million, four hundred forty thousand, three hundred thirty-four".