33040265736 has 64 divisors (see below), whose sum is σ = 84771720000. Its totient is φ = 10727375616.

The previous prime is 33040265723. The next prime is 33040265759. The reversal of 33040265736 is 63756204033.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33040265694 and 33040265703.

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, 47310 + ... + 261378.

It is an arithmetic number, because the mean of its divisors is an integer number (1324558125).

Almost surely, 2^33040265736 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 33040265736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42385860000).

33040265736 is an abundant number, since it is smaller than the sum of its proper divisors (51731454264).

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

33040265736 is a wasteful number, since it uses less digits than its factorization.

33040265736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214246 (or 214242 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 39.

Adding to 33040265736 its reverse (63756204033), we get a palindrome (96796469769).

The spelling of 33040265736 in words is "thirty-three billion, forty million, two hundred sixty-five thousand, seven hundred thirty-six".