33000400244 has 36 divisors (see below), whose sum is σ = 69495928740. Its totient is φ = 13655335680.

The previous prime is 33000400219. The next prime is 33000400259. The reversal of 33000400244 is 44200400033.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25785936400 + 7214463844 = 160580^2 + 84938^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2897237 + ... + 2908604.

It is an arithmetic number, because the mean of its divisors is an integer number (1930442465).

Almost surely, 2^33000400244 is an apocalyptic number.

It is an amenable number.

33000400244 is an abundant number, since it is smaller than the sum of its proper divisors (36495528496).

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

33000400244 is a wasteful number, since it uses less digits than its factorization.

33000400244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805888 (or 5805879 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 33000400244 its reverse (44200400033), we get a palindrome (77200800277).

The spelling of 33000400244 in words is "thirty-three billion, four hundred thousand, two hundred forty-four".