33253421404 has 48 divisors (see below), whose sum is σ = 70456055040. Its totient is φ = 13406088960.

The previous prime is 33253421381. The next prime is 33253421407. The reversal of 33253421404 is 40412435233.

It is a happy number.

It is a super-2 number, since 2×33253421404² (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 (33253421407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939867 + ... + 974605.

It is an arithmetic number, because the mean of its divisors is an integer number (1467834480).

Almost surely, 2^33253421404 is an apocalyptic number.

33253421404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

33253421404 is an abundant number, since it is smaller than the sum of its proper divisors (37202633636).

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

33253421404 is a wasteful number, since it uses less digits than its factorization.

33253421404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36778 (or 36776 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 33253421404 its reverse (40412435233), we get a palindrome (73665856637).

The spelling of 33253421404 in words is "thirty-three billion, two hundred fifty-three million, four hundred twenty-one thousand, four hundred four".