452240523623621 has 8 divisors (see below), whose sum is σ = 460996692036480. Its totient is φ = 443553573933792.

The previous prime is 452240523623611. The next prime is 452240523623699. The reversal of 452240523623621 is 126326325042254.

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 452240523623621 - 2¹⁰ = 452240523622597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452240523623611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17304667565 + ... + 17304693698.

It is an arithmetic number, because the mean of its divisors is an integer number (57624586504560).

Almost surely, 2^{452240523623621} is an apocalyptic number.

It is an amenable number.

452240523623621 is a deficient number, since it is larger than the sum of its proper divisors (8756168412859).

452240523623621 is a wasteful number, since it uses less digits than its factorization.

452240523623621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34609361515.

The product of its (nonzero) digits is 4147200, while the sum is 47.

Adding to 452240523623621 its reverse (126326325042254), we get a palindrome (578566848665875).

The spelling of 452240523623621 in words is "four hundred fifty-two trillion, two hundred forty billion, five hundred twenty-three million, six hundred twenty-three thousand, six hundred twenty-one".