33021252040 has 64 divisors (see below), whose sum is σ = 85736252160. Its totient is φ = 11211644160.

The previous prime is 33021252037. The next prime is 33021252079. The reversal of 33021252040 is 4025212033.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543651 + ... + 601330.

It is an arithmetic number, because the mean of its divisors is an integer number (1339628940).

Almost surely, 2^33021252040 is an apocalyptic number.

It is an amenable number.

33021252040 is an abundant number, since it is smaller than the sum of its proper divisors (52715000120).

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

33021252040 is a wasteful number, since it uses less digits than its factorization.

33021252040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145102 (or 1145098 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 33021252040 its reverse (4025212033), we get a palindrome (37046464073).

The spelling of 33021252040 in words is "thirty-three billion, twenty-one million, two hundred fifty-two thousand, forty".