133433404040 has 16 divisors (see below), whose sum is σ = 300225159180. Its totient is φ = 53373361600.

The previous prime is 133433404037. The next prime is 133433404043. The reversal of 133433404040 is 40404334331.

It is an interprime number because it is at equal distance from previous prime (133433404037) and next prime (133433404043).

It can be written as a sum of positive squares in 2 ways, for example, as 132544052356 + 889351684 = 364066^2 + 29822^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133433403994 and 133433404012.

It is not an unprimeable number, because it can be changed into a prime (133433404043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667917511 + ... + 1667917590.

Almost surely, 2^133433404040 is an apocalyptic number.

133433404040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133433404040 is an abundant number, since it is smaller than the sum of its proper divisors (166791755140).

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

133433404040 is a wasteful number, since it uses less digits than its factorization.

133433404040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335835112 (or 3335835108 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 133433404040 its reverse (40404334331), we get a palindrome (173837738371).

The spelling of 133433404040 in words is "one hundred thirty-three billion, four hundred thirty-three million, four hundred four thousand, forty".