421207360 has 112 divisors (see below), whose sum is σ = 1173211776. Its totient is φ = 141023232.

The previous prime is 421207337. The next prime is 421207417. The reversal of 421207360 is 63702124.

It is a tau number, because it is divible by the number of its divisors (112).

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, 94134 + ... + 98506.

Almost surely, 2^421207360 is an apocalyptic number.

421207360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421207360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586605888).

421207360 is an abundant number, since it is smaller than the sum of its proper divisors (752004416).

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

421207360 is a wasteful number, since it uses less digits than its factorization.

421207360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440 (or 4430 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 421207360 is about 20523.3369606407. The cubic root of 421207360 is about 749.6041525913.

Adding to 421207360 its reverse (63702124), we get a palindrome (484909484).

The spelling of 421207360 in words is "four hundred twenty-one million, two hundred seven thousand, three hundred sixty".