33866856044 has 24 divisors (see below), whose sum is σ = 67954360320. Its totient is φ = 14467085136.

The previous prime is 33866856013. The next prime is 33866856047. The reversal of 33866856044 is 44065866833.

It is a super-2 number, since 2×33866856044² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33866856047) 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, 1961324 + ... + 1978515.

It is an arithmetic number, because the mean of its divisors is an integer number (2831431680).

Almost surely, 2^33866856044 is an apocalyptic number.

It is an amenable number.

33866856044 is an abundant number, since it is smaller than the sum of its proper divisors (34087504276).

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

33866856044 is a wasteful number, since it uses less digits than its factorization.

33866856044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940157 (or 3940155 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 53.

The spelling of 33866856044 in words is "thirty-three billion, eight hundred sixty-six million, eight hundred fifty-six thousand, forty-four".