453021646448 has 80 divisors (see below), whose sum is σ = 1079538565824. Its totient is φ = 179735777280.

The previous prime is 453021646433. The next prime is 453021646453. The reversal of 453021646448 is 844646120354.

It is a happy number.

It is a super-2 number, since 2×453021646448² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1834115 + ... + 2066402.

Almost surely, 2^453021646448 is an apocalyptic number.

It is an amenable number.

453021646448 is an abundant number, since it is smaller than the sum of its proper divisors (626516919376).

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

453021646448 is a wasteful number, since it uses less digits than its factorization.

453021646448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900610 (or 3900604 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 453021646448 in words is "four hundred fifty-three billion, twenty-one million, six hundred forty-six thousand, four hundred forty-eight".