452650021642 has 16 divisors (see below), whose sum is σ = 835661578752. Its totient is φ = 179070338160.

The previous prime is 452650021639. The next prime is 452650021661. The reversal of 452650021642 is 246120056254.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243543834 + ... + 1243544197.

It is an arithmetic number, because the mean of its divisors is an integer number (52228848672).

Almost surely, 2^452650021642 is an apocalyptic number.

452650021642 is a deficient number, since it is larger than the sum of its proper divisors (383011557110).

452650021642 is a wasteful number, since it uses less digits than its factorization.

452650021642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487088053.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 452650021642 its reverse (246120056254), we get a palindrome (698770077896).

The spelling of 452650021642 in words is "four hundred fifty-two billion, six hundred fifty million, twenty-one thousand, six hundred forty-two".