33445204542 has 24 divisors (see below), whose sum is σ = 72609849000. Its totient is φ = 11126057040.

The previous prime is 33445204517. The next prime is 33445204547. The reversal of 33445204542 is 24540254433.

33445204542 is a `hidden beast` number, since 3 + 3 + 445 + 204 + 5 + 4 + 2 = 666.

It is a super-2 number, since 2×33445204542² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33445204497 and 33445204506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33445204547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1852809 + ... + 1870772.

It is an arithmetic number, because the mean of its divisors is an integer number (3025410375).

Almost surely, 2^33445204542 is an apocalyptic number.

33445204542 is an abundant number, since it is smaller than the sum of its proper divisors (39164644458).

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

33445204542 is a wasteful number, since it uses less digits than its factorization.

33445204542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724088 (or 3724085 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 33445204542 its reverse (24540254433), we get a palindrome (57985458975).

The spelling of 33445204542 in words is "thirty-three billion, four hundred forty-five million, two hundred four thousand, five hundred forty-two".