33220791007504 has 45 divisors (see below), whose sum is σ = 68374999590511. Its totient is φ = 15633128975360.

The previous prime is 33220791007477. The next prime is 33220791007541. The reversal of 33220791007504 is 40570019702233.

The square root of 33220791007504 is 5763748.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 716562250000 + 32504228757504 = 846500^2 + 5701248^2 .

It is a super-2 number, since 2×33220791007504² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 391892484 + ... + 391977244.

Almost surely, 2^{33220791007504} is an apocalyptic number.

33220791007504 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

33220791007504 is the 5763748-th square number.

It is an amenable number.

33220791007504 is an abundant number, since it is smaller than the sum of its proper divisors (35154208583007).

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

33220791007504 is an frugal number, since it uses more digits than its factorization.

33220791007504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169564 (or 84780 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 33220791007504 in words is "thirty-three trillion, two hundred twenty billion, seven hundred ninety-one million, seven thousand, five hundred four".