33042241236445 has 24 divisors (see below), whose sum is σ = 46128773559384. Its totient is φ = 22655325280896.

The previous prime is 33042241236419. The next prime is 33042241236449. The reversal of 33042241236445 is 54463214224033.

It can be written as a sum of positive squares in 4 ways, for example, as 669179625156 + 32373061611289 = 818034^2 + 5689733^2 .

It is a de Polignac number, because none of the positive numbers 2^k-33042241236445 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 (33042241236449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4064934 + ... + 9088903.

It is an arithmetic number, because the mean of its divisors is an integer number (1922032231641).

Almost surely, 2^{33042241236445} is an apocalyptic number.

33042241236445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33042241236445 is a deficient number, since it is larger than the sum of its proper divisors (13086532322939).

33042241236445 is a wasteful number, since it uses less digits than its factorization.

33042241236445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13164109 (or 13164102 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 43.

The spelling of 33042241236445 in words is "thirty-three trillion, forty-two billion, two hundred forty-one million, two hundred thirty-six thousand, four hundred forty-five".