451452131220032 has 14 divisors (see below), whose sum is σ = 895850322889878. Its totient is φ = 225726065609984.

The previous prime is 451452131220031. The next prime is 451452131220047. The reversal of 451452131220032 is 230022131254154.

It can be written as a sum of positive squares in only one way, i.e., 442886300778496 + 8565830441536 = 21044864^2 + 2926744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 451452131219974 and 451452131220001.

It is not an unprimeable number, because it can be changed into a prime (451452131220031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3526969775093 + ... + 3526969775220.

Almost surely, 2^{451452131220032} is an apocalyptic number.

It is an amenable number.

451452131220032 is a deficient number, since it is larger than the sum of its proper divisors (444398191669846).

451452131220032 is an equidigital number, since it uses as much as digits as its factorization.

451452131220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053939550325 (or 7053939550315 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 451452131220032 its reverse (230022131254154), we get a palindrome (681474262474186).

The spelling of 451452131220032 in words is "four hundred fifty-one trillion, four hundred fifty-two billion, one hundred thirty-one million, two hundred twenty thousand, thirty-two".