421191360 has 336 divisors, whose sum is σ = 1575511200. Its totient is φ = 105799680.

The previous prime is 421191349. The next prime is 421191361. The reversal of 421191360 is 63191124.

421191360 is a `hidden beast` number, since 4 + 211 + 91 + 360 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (421191361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10272940 + ... + 10272980.

Almost surely, 2^421191360 is an apocalyptic number.

421191360 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 421191360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787755600).

421191360 is an abundant number, since it is smaller than the sum of its proper divisors (1154319840).

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

421191360 is a wasteful number, since it uses less digits than its factorization.

421191360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 421191360 is about 20522.9471567804. The cubic root of 421191360 is about 749.5946609732.

The spelling of 421191360 in words is "four hundred twenty-one million, one hundred ninety-one thousand, three hundred sixty".