33434242440 has 64 divisors (see below), whose sum is σ = 100419264000. Its totient is φ = 8905439232.

The previous prime is 33434242393. The next prime is 33434242447. The reversal of 33434242440 is 4424243433.

It is a super-2 number, since 2×33434242440² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33434242447) 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, 57865 + ... + 264984.

It is an arithmetic number, because the mean of its divisors is an integer number (1569051000).

Almost surely, 2^33434242440 is an apocalyptic number.

33434242440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33434242440 is an abundant number, since it is smaller than the sum of its proper divisors (66985021560).

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

33434242440 is a wasteful number, since it uses less digits than its factorization.

33434242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323726 (or 323722 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 33434242440 its reverse (4424243433), we get a palindrome (37858485873).

The spelling of 33434242440 in words is "thirty-three billion, four hundred thirty-four million, two hundred forty-two thousand, four hundred forty".