421431111360 has 896 divisors, whose sum is σ = 1747361341440. Its totient is φ = 93614911488.

The previous prime is 421431111301. The next prime is 421431111397. The reversal of 421431111360 is 63111134124.

421431111360 is a `hidden beast` number, since 4 + 214 + 311 + 1 + 136 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 902421847 + ... + 902422313.

Almost surely, 2^421431111360 is an apocalyptic number.

421431111360 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 421431111360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873680670720).

421431111360 is an abundant number, since it is smaller than the sum of its proper divisors (1325930230080).

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

421431111360 is a wasteful number, since it uses less digits than its factorization.

421431111360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 421431111360 its reverse (63111134124), we get a palindrome (484542245484).

The spelling of 421431111360 in words is "four hundred twenty-one billion, four hundred thirty-one million, one hundred eleven thousand, three hundred sixty".