33445384381924 has 6 divisors (see below), whose sum is σ = 58529422668374. Its totient is φ = 16722692190960.

The previous prime is 33445384381921. The next prime is 33445384381939. The reversal of 33445384381924 is 42918348354433.

It can be written as a sum of positive squares in only one way, i.e., 20417745960000 + 13027638421924 = 4518600^2 + 3609382^2 .

It is a super-2 number, since 2×33445384381924² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33445384381921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4180673047737 + ... + 4180673047744.

Almost surely, 2^{33445384381924} is an apocalyptic number.

It is an amenable number.

33445384381924 is a deficient number, since it is larger than the sum of its proper divisors (25084038286450).

33445384381924 is a wasteful number, since it uses less digits than its factorization.

33445384381924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361346095485 (or 8361346095483 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 61.

The spelling of 33445384381924 in words is "thirty-three trillion, four hundred forty-five billion, three hundred eighty-four million, three hundred eighty-one thousand, nine hundred twenty-four".