33125312240 has 40 divisors (see below), whose sum is σ = 77025079008. Its totient is φ = 13248623360.

The previous prime is 33125312239. The next prime is 33125312281. The reversal of 33125312240 is 4221352133.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 925070 + ... + 960210.

Almost surely, 2^33125312240 is an apocalyptic number.

It is an amenable number.

33125312240 is an abundant number, since it is smaller than the sum of its proper divisors (43899766768).

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

33125312240 is a wasteful number, since it uses less digits than its factorization.

33125312240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46937 (or 46931 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 33125312240 its reverse (4221352133), we get a palindrome (37346664373).

The spelling of 33125312240 in words is "thirty-three billion, one hundred twenty-five million, three hundred twelve thousand, two hundred forty".