451032234403642 has 8 divisors (see below), whose sum is σ = 685816137244116. Its totient is φ = 222426855322272.

The previous prime is 451032234403571. The next prime is 451032234403799. The reversal of 451032234403642 is 246304432230154.

It can be written as a sum of positive squares in 2 ways, for example, as 442560880711161 + 8471353692481 = 21037131^2 + 2910559^2 .

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

It is a super-2 number, since 2×451032234403642² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544630939593 + ... + 1544630939884.

Almost surely, 2^{451032234403642} is an apocalyptic number.

451032234403642 is a deficient number, since it is larger than the sum of its proper divisors (234783902840474).

451032234403642 is a wasteful number, since it uses less digits than its factorization.

451032234403642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089261879552.

The product of its (nonzero) digits is 1658880, while the sum is 43.

Adding to 451032234403642 its reverse (246304432230154), we get a palindrome (697336666633796).

The spelling of 451032234403642 in words is "four hundred fifty-one trillion, thirty-two billion, two hundred thirty-four million, four hundred three thousand, six hundred forty-two".