52440332451 has 8 divisors (see below), whose sum is σ = 75298938960. Its totient is φ = 32270973792.

The previous prime is 52440332447. The next prime is 52440332467. The reversal of 52440332451 is 15423304425.

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

It is not a de Polignac number, because 52440332451 - 2² = 52440332447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52440336451) 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, 672311916 + ... + 672311993.

It is an arithmetic number, because the mean of its divisors is an integer number (9412367370).

Almost surely, 2^52440332451 is an apocalyptic number.

52440332451 is a deficient number, since it is larger than the sum of its proper divisors (22858606509).

52440332451 is a wasteful number, since it uses less digits than its factorization.

52440332451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344623925.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 52440332451 its reverse (15423304425), we get a palindrome (67863636876).

The spelling of 52440332451 in words is "fifty-two billion, four hundred forty million, three hundred thirty-two thousand, four hundred fifty-one".