33040772247 has 32 divisors (see below), whose sum is σ = 53415116800. Its totient is φ = 17745866208.

The previous prime is 33040772239. The next prime is 33040772249. The reversal of 33040772247 is 74227704033.

It is not a de Polignac number, because 33040772247 - 2³ = 33040772239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33040772249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275347 + ... + 376692.

It is an arithmetic number, because the mean of its divisors is an integer number (1669222400).

Almost surely, 2^33040772247 is an apocalyptic number.

33040772247 is a deficient number, since it is larger than the sum of its proper divisors (20374344553).

33040772247 is a wasteful number, since it uses less digits than its factorization.

33040772247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652195.

The product of its (nonzero) digits is 197568, while the sum is 39.

The spelling of 33040772247 in words is "thirty-three billion, forty million, seven hundred seventy-two thousand, two hundred forty-seven".