33424330440 has 64 divisors (see below), whose sum is σ = 101210160960. Its totient is φ = 8829850880.

The previous prime is 33424330421. The next prime is 33424330447. The reversal of 33424330440 is 4403342433.

It is a super-2 number, since 2×33424330440² (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 = 33424330398 and 33424330407.

It is not an unprimeable number, because it can be changed into a prime (33424330447) 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 15 ways as a sum of consecutive naturals, for example, 1288731 + ... + 1314410.

It is an arithmetic number, because the mean of its divisors is an integer number (1581408765).

Almost surely, 2^33424330440 is an apocalyptic number.

33424330440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33424330440 is an abundant number, since it is smaller than the sum of its proper divisors (67785830520).

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

33424330440 is a wasteful number, since it uses less digits than its factorization.

33424330440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603262 (or 2603258 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 33424330440 its reverse (4403342433), we get a palindrome (37827672873).

The spelling of 33424330440 in words is "thirty-three billion, four hundred twenty-four million, three hundred thirty thousand, four hundred forty".