453453640442 has 8 divisors (see below), whose sum is σ = 742015048032. Its totient is φ = 206115291100.

The previous prime is 453453640439. The next prime is 453453640481. The reversal of 453453640442 is 244046354354.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 453453640393 and 453453640402.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10305764534 + ... + 10305764577.

It is an arithmetic number, because the mean of its divisors is an integer number (92751881004).

Almost surely, 2^453453640442 is an apocalyptic number.

453453640442 is a deficient number, since it is larger than the sum of its proper divisors (288561407590).

453453640442 is a wasteful number, since it uses less digits than its factorization.

453453640442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20611529124.

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 453453640442 its reverse (244046354354), we get a palindrome (697499994796).

The spelling of 453453640442 in words is "four hundred fifty-three billion, four hundred fifty-three million, six hundred forty thousand, four hundred forty-two".