33645685452 has 48 divisors (see below), whose sum is σ = 81139968000. Its totient is φ = 10839934080.

The previous prime is 33645685441. The next prime is 33645685501. The reversal of 33645685452 is 25458654633.

It is a super-2 number, since 2×33645685452² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33645685395 and 33645685404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245049 + ... + 356847.

It is an arithmetic number, because the mean of its divisors is an integer number (1690416000).

Almost surely, 2^33645685452 is an apocalyptic number.

It is an amenable number.

33645685452 is an abundant number, since it is smaller than the sum of its proper divisors (47494282548).

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

33645685452 is a wasteful number, since it uses less digits than its factorization.

33645685452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112646 (or 112644 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 51.

The spelling of 33645685452 in words is "thirty-three billion, six hundred forty-five million, six hundred eighty-five thousand, four hundred fifty-two".