33401012404 has 6 divisors (see below), whose sum is σ = 58451771714. Its totient is φ = 16700506200.

The previous prime is 33401012401. The next prime is 33401012419. The reversal of 33401012404 is 40421010433.

It can be written as a sum of positive squares in only one way, i.e., 32490783504 + 910228900 = 180252^2 + 30170^2 .

It is a super-2 number, since 2×33401012404² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33401012401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4175126547 + ... + 4175126554.

Almost surely, 2^33401012404 is an apocalyptic number.

It is an amenable number.

33401012404 is a deficient number, since it is larger than the sum of its proper divisors (25050759310).

33401012404 is a wasteful number, since it uses less digits than its factorization.

33401012404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8350253105 (or 8350253103 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 33401012404 its reverse (40421010433), we get a palindrome (73822022837).

The spelling of 33401012404 in words is "thirty-three billion, four hundred one million, twelve thousand, four hundred four".