33100223240 has 96 divisors (see below), whose sum is σ = 86676972480. Its totient is φ = 11343120768.

The previous prime is 33100223231. The next prime is 33100223263. The reversal of 33100223240 is 4232200133.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7726139 + ... + 7730421.

It is an arithmetic number, because the mean of its divisors is an integer number (902885130).

Almost surely, 2^33100223240 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 33100223240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43338486240).

33100223240 is an abundant number, since it is smaller than the sum of its proper divisors (53576749240).

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

33100223240 is a wasteful number, since it uses less digits than its factorization.

33100223240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251 (or 8240 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 33100223240 its reverse (4232200133), we get a palindrome (37332423373).

The spelling of 33100223240 in words is "thirty-three billion, one hundred million, two hundred twenty-three thousand, two hundred forty".