452421261616 has 10 divisors (see below), whose sum is σ = 876566194412. Its totient is φ = 226210630800.

The previous prime is 452421261577. The next prime is 452421261619. The reversal of 452421261616 is 616162124254.

It is a super-2 number, since 2×452421261616² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (452421261619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14138164410 + ... + 14138164441.

Almost surely, 2^452421261616 is an apocalyptic number.

It is an amenable number.

452421261616 is a deficient number, since it is larger than the sum of its proper divisors (424144932796).

452421261616 is a wasteful number, since it uses less digits than its factorization.

452421261616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28276328859 (or 28276328853 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The spelling of 452421261616 in words is "four hundred fifty-two billion, four hundred twenty-one million, two hundred sixty-one thousand, six hundred sixteen".