421325313322400 has 36 divisors (see below), whose sum is σ = 1028560421150262. Its totient is φ = 168530125328640.

The previous prime is 421325313322387. The next prime is 421325313322411. The reversal of 421325313322400 is 4223313523124.

It can be written as a sum of positive squares in 3 ways, for example, as 215104110279184 + 206221203043216 = 14666428^2 + 14360404^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263328320027 + ... + 263328321626.

Almost surely, 2^{421325313322400} is an apocalyptic number.

421325313322400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421325313322400 is an abundant number, since it is smaller than the sum of its proper divisors (607235107827862).

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

421325313322400 is a wasteful number, since it uses less digits than its factorization.

421325313322400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526656641673 (or 526656641660 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 421325313322400 its reverse (4223313523124), we get a palindrome (425548626845524).

The spelling of 421325313322400 in words is "four hundred twenty-one trillion, three hundred twenty-five billion, three hundred thirteen million, three hundred twenty-two thousand, four hundred".