33445663862464 has 56 divisors (see below), whose sum is σ = 79147813264128. Its totient is φ = 13710644808960.

The previous prime is 33445663862459. The next prime is 33445663862467. The reversal of 33445663862464 is 46426836654433.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×33445663862464² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 33445663862396 and 33445663862405.

It is not an unprimeable number, because it can be changed into a prime (33445663862467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622935342 + ... + 1622955949.

It is an arithmetic number, because the mean of its divisors is an integer number (1413353808288).

Almost surely, 2^{33445663862464} is an apocalyptic number.

It is an amenable number.

33445663862464 is an abundant number, since it is smaller than the sum of its proper divisors (45702149401664).

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

33445663862464 is a wasteful number, since it uses less digits than its factorization.

33445663862464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245891333 (or 3245891323 counting only the distinct ones).

The product of its digits is 716636160, while the sum is 64.

The spelling of 33445663862464 in words is "thirty-three trillion, four hundred forty-five billion, six hundred sixty-three million, eight hundred sixty-two thousand, four hundred sixty-four".