33442340340 has 24 divisors (see below), whose sum is σ = 93638553120. Its totient is φ = 8917957408.

The previous prime is 33442340311. The next prime is 33442340387. The reversal of 33442340340 is 4304324433.

It is a super-2 number, since 2×33442340340² (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 = 33442340298 and 33442340307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278686110 + ... + 278686229.

It is an arithmetic number, because the mean of its divisors is an integer number (3901606380).

Almost surely, 2^33442340340 is an apocalyptic number.

33442340340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33442340340 is an abundant number, since it is smaller than the sum of its proper divisors (60196212780).

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

33442340340 is a wasteful number, since it uses less digits than its factorization.

33442340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557372351 (or 557372349 counting only the distinct ones).

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

Adding to 33442340340 its reverse (4304324433), we get a palindrome (37746664773).

The spelling of 33442340340 in words is "thirty-three billion, four hundred forty-two million, three hundred forty thousand, three hundred forty".