33040220420402 has 32 divisors (see below), whose sum is σ = 53850294021888. Its totient is φ = 15112893309696.

The previous prime is 33040220420369. The next prime is 33040220420413. The reversal of 33040220420402 is 20402402204033.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29544983 + ... + 30642885.

It is an arithmetic number, because the mean of its divisors is an integer number (1682821688184).

Almost surely, 2^{33040220420402} is an apocalyptic number.

33040220420402 is a deficient number, since it is larger than the sum of its proper divisors (20810073601486).

33040220420402 is a wasteful number, since it uses less digits than its factorization.

33040220420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108274.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 33040220420402 its reverse (20402402204033), we get a palindrome (53442622624435).

The spelling of 33040220420402 in words is "thirty-three trillion, forty billion, two hundred twenty million, four hundred twenty thousand, four hundred two".