421201360 has 40 divisors (see below), whose sum is σ = 980149320. Its totient is φ = 168333312.

The previous prime is 421201349. The next prime is 421201373. The reversal of 421201360 is 63102124.

It can be written as a sum of positive squares in 4 ways, for example, as 41886784 + 379314576 = 6472^2 + 19476^2 .

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

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, 169084 + ... + 171556.

It is an arithmetic number, because the mean of its divisors is an integer number (24503733).

Almost surely, 2^421201360 is an apocalyptic number.

421201360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421201360 is an abundant number, since it is smaller than the sum of its proper divisors (558947960).

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

421201360 is a wasteful number, since it uses less digits than its factorization.

421201360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 421201360 is about 20523.1907850607. The cubic root of 421201360 is about 749.6005932627.

Adding to 421201360 its reverse (63102124), we get a palindrome (484303484).

The spelling of 421201360 in words is "four hundred twenty-one million, two hundred one thousand, three hundred sixty".