33273045378 has 20 divisors (see below), whose sum is σ = 74556268710. Its totient is φ = 11091015072.

The previous prime is 33273045359. The next prime is 33273045391. The reversal of 33273045378 is 87354037233.

33273045378 is a `hidden beast` number, since 3 + 3 + 273 + 0 + 4 + 5 + 378 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33074150769 + 198894609 = 181863^2 + 14103^2 .

It is a super-2 number, since 2×33273045378² (a number of 22 digits) contains 22 as substring.

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 9 ways as a sum of consecutive naturals, for example, 102694423 + ... + 102694746.

Almost surely, 2^33273045378 is an apocalyptic number.

33273045378 is an abundant number, since it is smaller than the sum of its proper divisors (41283223332).

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

33273045378 is a wasteful number, since it uses less digits than its factorization.

33273045378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205389183 (or 205389174 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 33273045378 in words is "thirty-three billion, two hundred seventy-three million, forty-five thousand, three hundred seventy-eight".