33612852640 has 48 divisors (see below), whose sum is σ = 79506699552. Its totient is φ = 13428830464.

The previous prime is 33612852617. The next prime is 33612852641. The reversal of 33612852640 is 4625821633.

It is a super-2 number, since 2×33612852640² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 33612852593 and 33612852602.

It is not an unprimeable number, because it can be changed into a prime (33612852641) 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, 5307 + ... + 259333.

It is an arithmetic number, because the mean of its divisors is an integer number (1656389574).

Almost surely, 2^33612852640 is an apocalyptic number.

It is an amenable number.

33612852640 is an abundant number, since it is smaller than the sum of its proper divisors (45893846912).

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

33612852640 is a wasteful number, since it uses less digits than its factorization.

33612852640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254869 (or 254861 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 33612852640 in words is "thirty-three billion, six hundred twelve million, eight hundred fifty-two thousand, six hundred forty".