40133503450421 has 8 divisors (see below), whose sum is σ = 44341875935424. Its totient is φ = 36130417428160.

The previous prime is 40133503450361. The next prime is 40133503450471. The reversal of 40133503450421 is 12405430533104.

40133503450421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40133503450421 - 2³⁰ = 40132429708597 is a prime.

It is a super-2 number, since 2×40133503450421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133503450471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51321615275 + ... + 51321616056.

It is an arithmetic number, because the mean of its divisors is an integer number (5542734491928).

Almost surely, 2^{40133503450421} is an apocalyptic number.

It is an amenable number.

40133503450421 is a deficient number, since it is larger than the sum of its proper divisors (4208372485003).

40133503450421 is a wasteful number, since it uses less digits than its factorization.

40133503450421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102643231371.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 40133503450421 its reverse (12405430533104), we get a palindrome (52538933983525).

The spelling of 40133503450421 in words is "forty trillion, one hundred thirty-three billion, five hundred three million, four hundred fifty thousand, four hundred twenty-one".