33223426240 has 112 divisors (see below), whose sum is σ = 79746799104. Its totient is φ = 13183385600.

The previous prime is 33223426219. The next prime is 33223426261. The reversal of 33223426240 is 4262432233.

It is an interprime number because it is at equal distance from previous prime (33223426219) and next prime (33223426261).

It is a super-2 number, since 2×33223426240² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37710600 + ... + 37711480.

It is an arithmetic number, because the mean of its divisors is an integer number (712024992).

Almost surely, 2^33223426240 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 33223426240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39873399552).

33223426240 is an abundant number, since it is smaller than the sum of its proper divisors (46523372864).

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

33223426240 is a wasteful number, since it uses less digits than its factorization.

33223426240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 33223426240 its reverse (4262432233), we get a palindrome (37485858473).

The spelling of 33223426240 in words is "thirty-three billion, two hundred twenty-three million, four hundred twenty-six thousand, two hundred forty".