451433442021402 has 32 divisors (see below), whose sum is σ = 905573255227200. Its totient is φ = 150027267353600.

The previous prime is 451433442021377. The next prime is 451433442021403. The reversal of 451433442021402 is 204120244334154.

It is not an unprimeable number, because it can be changed into a prime (451433442021403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60895548 + ... + 67905335.

It is an arithmetic number, because the mean of its divisors is an integer number (28299164225850).

Almost surely, 2^{451433442021402} is an apocalyptic number.

451433442021402 is an abundant number, since it is smaller than the sum of its proper divisors (454139813205798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451433442021402 is a wasteful number, since it uses less digits than its factorization.

451433442021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128802638.

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 451433442021402 its reverse (204120244334154), we get a palindrome (655553686355556).

The spelling of 451433442021402 in words is "four hundred fifty-one trillion, four hundred thirty-three billion, four hundred forty-two million, twenty-one thousand, four hundred two".