453212507218420 has 96 divisors (see below), whose sum is σ = 964294754734080. Its totient is φ = 178897229596800.

The previous prime is 453212507218409. The next prime is 453212507218447. The reversal of 453212507218420 is 24812705212354.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31501522467 + ... + 31501536853.

It is an arithmetic number, because the mean of its divisors is an integer number (10044737028480).

Almost surely, 2^{453212507218420} is an apocalyptic number.

It is an amenable number.

453212507218420 is an abundant number, since it is smaller than the sum of its proper divisors (511082247515660).

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

453212507218420 is a wasteful number, since it uses less digits than its factorization.

453212507218420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23453 (or 23451 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 453212507218420 in words is "four hundred fifty-three trillion, two hundred twelve billion, five hundred seven million, two hundred eighteen thousand, four hundred twenty".