451152440531 has 8 divisors (see below), whose sum is σ = 486419472000. Its totient is φ = 415965837312.

The previous prime is 451152440527. The next prime is 451152440539. The reversal of 451152440531 is 135044251154.

It is a happy number.

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 451152440531 - 2² = 451152440527 is a prime.

It is a super-2 number, since 2×451152440531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451152440491 and 451152440500.

It is not an unprimeable number, because it can be changed into a prime (451152440539) 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, 20095406 + ... + 20117843.

It is an arithmetic number, because the mean of its divisors is an integer number (60802434000).

Almost surely, 2^451152440531 is an apocalyptic number.

451152440531 is a deficient number, since it is larger than the sum of its proper divisors (35267031469).

451152440531 is a wasteful number, since it uses less digits than its factorization.

451152440531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40214125.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 451152440531 its reverse (135044251154), we get a palindrome (586196691685).

The spelling of 451152440531 in words is "four hundred fifty-one billion, one hundred fifty-two million, four hundred forty thousand, five hundred thirty-one".