33424300240 has 40 divisors (see below), whose sum is σ = 77738952960. Its totient is φ = 13364996736.

The previous prime is 33424300237. The next prime is 33424300249. The reversal of 33424300240 is 4200342433.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×33424300240² (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 (33424300249) 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 in 7 ways as a sum of consecutive naturals, for example, 158601 + ... + 303319.

It is an arithmetic number, because the mean of its divisors is an integer number (1943473824).

Almost surely, 2^33424300240 is an apocalyptic number.

It is an amenable number.

33424300240 is an abundant number, since it is smaller than the sum of its proper divisors (44314652720).

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

33424300240 is a wasteful number, since it uses less digits than its factorization.

33424300240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147619 (or 147613 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 33424300240 its reverse (4200342433), we get a palindrome (37624642673).

The spelling of 33424300240 in words is "thirty-three billion, four hundred twenty-four million, three hundred thousand, two hundred forty".