451140412021 has 8 divisors (see below), whose sum is σ = 485992097024. Its totient is φ = 416309952240.

The previous prime is 451140411989. The next prime is 451140412039. The reversal of 451140412021 is 120214041154.

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

It is not a de Polignac number, because 451140412021 - 2⁵ = 451140411989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451140412061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5262141 + ... + 5347186.

It is an arithmetic number, because the mean of its divisors is an integer number (60749012128).

Almost surely, 2^451140412021 is an apocalyptic number.

It is an amenable number.

451140412021 is a deficient number, since it is larger than the sum of its proper divisors (34851685003).

451140412021 is a wasteful number, since it uses less digits than its factorization.

451140412021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10612611.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 451140412021 its reverse (120214041154), we get a palindrome (571354453175).

The spelling of 451140412021 in words is "four hundred fifty-one billion, one hundred forty million, four hundred twelve thousand, twenty-one".