33640501152 has 48 divisors (see below), whose sum is σ = 88317093312. Its totient is φ = 11212131840.

The previous prime is 33640501133. The next prime is 33640501157. The reversal of 33640501152 is 25110504633.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×33640501152² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33640501157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044652 + ... + 1076372.

It is an arithmetic number, because the mean of its divisors is an integer number (1839939444).

Almost surely, 2^33640501152 is an apocalyptic number.

33640501152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33640501152 is an abundant number, since it is smaller than the sum of its proper divisors (54676592160).

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

33640501152 is a wasteful number, since it uses less digits than its factorization.

33640501152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42781 (or 42773 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 33640501152 in words is "thirty-three billion, six hundred forty million, five hundred one thousand, one hundred fifty-two".