33144218390 has 16 divisors (see below), whose sum is σ = 59686664832. Its totient is φ = 13251671424.

The previous prime is 33144218377. The next prime is 33144218399. The reversal of 33144218390 is 9381244133.

It is a super-3 number, since 3×33144218390³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33144218399) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 728819 + ... + 772958.

It is an arithmetic number, because the mean of its divisors is an integer number (3730416552).

Almost surely, 2^33144218390 is an apocalyptic number.

33144218390 is a deficient number, since it is larger than the sum of its proper divisors (26542446442).

33144218390 is a wasteful number, since it uses less digits than its factorization.

33144218390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503991.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 33144218390 in words is "thirty-three billion, one hundred forty-four million, two hundred eighteen thousand, three hundred ninety".