421201314333440 has 72 divisors (see below), whose sum is σ = 1009095659359200. Its totient is φ = 168449317093376.

The previous prime is 421201314333427. The next prime is 421201314333467. The reversal of 421201314333440 is 44333413102124.

It is a self number, because there is not a number n which added to its sum of digits gives 421201314333440.

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, 23563769 + ... + 37385208.

It is an arithmetic number, because the mean of its divisors is an integer number (14015217491100).

Almost surely, 2^{421201314333440} is an apocalyptic number.

421201314333440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421201314333440 is an abundant number, since it is smaller than the sum of its proper divisors (587894345025760).

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

421201314333440 is an equidigital number, since it uses as much as digits as its factorization.

421201314333440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60954397 (or 60954383 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 421201314333440 its reverse (44333413102124), we get a palindrome (465534727435564).

The spelling of 421201314333440 in words is "four hundred twenty-one trillion, two hundred one billion, three hundred fourteen million, three hundred thirty-three thousand, four hundred forty".