33031223214440 has 64 divisors (see below), whose sum is σ = 81077663992320. Its totient is φ = 12011202016000.

The previous prime is 33031223214383. The next prime is 33031223214443. The reversal of 33031223214440 is 4441232213033.

It is a junction number, because it is equal to n+sod(n) for n = 33031223214397 and 33031223214406.

It is not an unprimeable number, because it can be changed into a prime (33031223214443) 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, 37880150 + ... + 38742330.

It is an arithmetic number, because the mean of its divisors is an integer number (1266838499880).

Almost surely, 2^{33031223214440} is an apocalyptic number.

It is an amenable number.

33031223214440 is an abundant number, since it is smaller than the sum of its proper divisors (48046440777880).

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

33031223214440 is a wasteful number, since it uses less digits than its factorization.

33031223214440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949274 (or 949270 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 33031223214440 its reverse (4441232213033), we get a palindrome (37472455427473).

The spelling of 33031223214440 in words is "thirty-three trillion, thirty-one billion, two hundred twenty-three million, two hundred fourteen thousand, four hundred forty".