33442420000 has 240 divisors, whose sum is σ = 91059401664. Its totient is φ = 11984000000.

The previous prime is 33442419979. The next prime is 33442420073. The reversal of 33442420000 is 2424433.

It is a super-2 number, since 2×33442420000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15618930 + ... + 15621070.

Almost surely, 2^33442420000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33442420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45529700832).

33442420000 is an abundant number, since it is smaller than the sum of its proper divisors (57616981664).

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

33442420000 is a wasteful number, since it uses less digits than its factorization.

33442420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 33442420000 its reverse (2424433), we get a palindrome (33444844433).

The spelling of 33442420000 in words is "thirty-three billion, four hundred forty-two million, four hundred twenty thousand".