33418000807240 has 128 divisors (see below), whose sum is σ = 89075154124800. Its totient is φ = 11041606275840.

The previous prime is 33418000807211. The next prime is 33418000807291. The reversal of 33418000807240 is 4270800081433.

It is a super-2 number, since 2×33418000807240² (a number of 28 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 = 33418000807193 and 33418000807202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5979874 + ... + 10128913.

It is an arithmetic number, because the mean of its divisors is an integer number (695899641600).

Almost surely, 2^{33418000807240} is an apocalyptic number.

It is an amenable number.

33418000807240 is an abundant number, since it is smaller than the sum of its proper divisors (55657153317560).

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

33418000807240 is a wasteful number, since it uses less digits than its factorization.

33418000807240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16109075 (or 16109071 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

Adding to 33418000807240 its reverse (4270800081433), we get a palindrome (37688800888673).

The spelling of 33418000807240 in words is "thirty-three trillion, four hundred eighteen billion, eight hundred seven thousand, two hundred forty".