420843552 has 48 divisors (see below), whose sum is σ = 1106364672. Its totient is φ = 140071680.

The previous prime is 420843539. The next prime is 420843571. The reversal of 420843552 is 255348024.

It is a tau number, because it is divible by the number of its divisors (48).

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, 69777 + ... + 75567.

It is an arithmetic number, because the mean of its divisors is an integer number (23049264).

Almost surely, 2^420843552 is an apocalyptic number.

It is an amenable number.

420843552 is an abundant number, since it is smaller than the sum of its proper divisors (685521120).

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

420843552 is a wasteful number, since it uses less digits than its factorization.

420843552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561 (or 6553 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 420843552 is about 20514.4717699482. The cubic root of 420843552 is about 749.3882727442.

The spelling of 420843552 in words is "four hundred twenty million, eight hundred forty-three thousand, five hundred fifty-two".