420216645360 has 40 divisors (see below), whose sum is σ = 1302671601360. Its totient is φ = 112057772032.

The previous prime is 420216645307. The next prime is 420216645377. The reversal of 420216645360 is 63546612024.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×420216645360² (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 7 ways as a sum of consecutive naturals, for example, 875451105 + ... + 875451584.

It is an arithmetic number, because the mean of its divisors is an integer number (32566790034).

Almost surely, 2^420216645360 is an apocalyptic number.

420216645360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420216645360 is an abundant number, since it is smaller than the sum of its proper divisors (882454956000).

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

420216645360 is a wasteful number, since it uses less digits than its factorization.

420216645360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750902705 (or 1750902699 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 420216645360 in words is "four hundred twenty billion, two hundred sixteen million, six hundred forty-five thousand, three hundred sixty".