33345140220040 has 48 divisors (see below), whose sum is σ = 82467216630540. Its totient is φ = 12125505532800.

The previous prime is 33345140220031. The next prime is 33345140220043. The reversal of 33345140220040 is 4002204154333.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31918228742884 + 1426911477156 = 5649622^2 + 1194534^2 .

It is a super-2 number, since 2×33345140220040² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33345140219984 and 33345140220011.

It is not an unprimeable number, because it can be changed into a prime (33345140220043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3444741051 + ... + 3444750730.

Almost surely, 2^{33345140220040} is an apocalyptic number.

It is an amenable number.

33345140220040 is an abundant number, since it is smaller than the sum of its proper divisors (49122076410500).

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

33345140220040 is a wasteful number, since it uses less digits than its factorization.

33345140220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889491814 (or 6889491799 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 33345140220040 its reverse (4002204154333), we get a palindrome (37347344374373).

The spelling of 33345140220040 in words is "thirty-three trillion, three hundred forty-five billion, one hundred forty million, two hundred twenty thousand, forty".