33866855004 has 24 divisors (see below), whose sum is σ = 79135409808. Its totient is φ = 11272844800.

The previous prime is 33866854937. The next prime is 33866855017. The reversal of 33866855004 is 40055866833.

It is a super-2 number, since 2×33866855004² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004597 + ... + 2021420.

It is an arithmetic number, because the mean of its divisors is an integer number (3297308742).

Almost surely, 2^33866855004 is an apocalyptic number.

It is an amenable number.

33866855004 is an abundant number, since it is smaller than the sum of its proper divisors (45268554804).

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

33866855004 is a wasteful number, since it uses less digits than its factorization.

33866855004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026725 (or 4026723 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 33866855004 in words is "thirty-three billion, eight hundred sixty-six million, eight hundred fifty-five thousand, four".