33642240516 has 24 divisors (see below), whose sum is σ = 87220623840. Its totient is φ = 11214080136.

The previous prime is 33642240509. The next prime is 33642240551. The reversal of 33642240516 is 61504224633.

33642240516 is a `hidden beast` number, since 3 + 3 + 642 + 2 + 4 + 0 + 5 + 1 + 6 = 666.

It is a super-2 number, since 2×33642240516² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 7 ways as a sum of consecutive naturals, for example, 155751006 + ... + 155751221.

It is an arithmetic number, because the mean of its divisors is an integer number (3634192660).

Almost surely, 2^33642240516 is an apocalyptic number.

33642240516 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

33642240516 is an abundant number, since it is smaller than the sum of its proper divisors (53578383324).

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

33642240516 is a wasteful number, since it uses less digits than its factorization.

33642240516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311502240 (or 311502232 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 33642240516 in words is "thirty-three billion, six hundred forty-two million, two hundred forty thousand, five hundred sixteen".