421336160322 has 256 divisors, whose sum is σ = 1092472012800. Its totient is φ = 105184085760.

The previous prime is 421336160321. The next prime is 421336160363. The reversal of 421336160322 is 223061633124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (421336160321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 268879983 + ... + 268881549.

It is an arithmetic number, because the mean of its divisors is an integer number (4267468800).

Almost surely, 2^421336160322 is an apocalyptic number.

421336160322 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 421336160322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546236006400).

421336160322 is an abundant number, since it is smaller than the sum of its proper divisors (671135852478).

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

421336160322 is a wasteful number, since it uses less digits than its factorization.

421336160322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 421336160322 its reverse (223061633124), we get a palindrome (644397793446).

The spelling of 421336160322 in words is "four hundred twenty-one billion, three hundred thirty-six million, one hundred sixty thousand, three hundred twenty-two".