33404304540 has 48 divisors (see below), whose sum is σ = 94268547072. Its totient is φ = 8837672256.

The previous prime is 33404304509. The next prime is 33404304553. The reversal of 33404304540 is 4540340433.

It is a super-2 number, since 2×33404304540² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 33404304498 and 33404304507.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2184264 + ... + 2199503.

It is an arithmetic number, because the mean of its divisors is an integer number (1963928064).

Almost surely, 2^33404304540 is an apocalyptic number.

33404304540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33404304540 is an abundant number, since it is smaller than the sum of its proper divisors (60864242532).

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

33404304540 is a wasteful number, since it uses less digits than its factorization.

33404304540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383906 (or 4383904 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 33404304540 its reverse (4540340433), we get a palindrome (37944644973).

The spelling of 33404304540 in words is "thirty-three billion, four hundred four million, three hundred four thousand, five hundred forty".