421320410 has 32 divisors (see below), whose sum is σ = 896607360. Its totient is φ = 139470912.

The previous prime is 421320409. The next prime is 421320437. The reversal of 421320410 is 14023124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101744 + ... + 105803.

It is an arithmetic number, because the mean of its divisors is an integer number (28018980).

Almost surely, 2^421320410 is an apocalyptic number.

421320410 is an abundant number, since it is smaller than the sum of its proper divisors (475286950).

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

421320410 is a wasteful number, since it uses less digits than its factorization.

421320410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207590.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 421320410 is about 20526.0909576081. The cubic root of 421320410 is about 749.6712099579.

Adding to 421320410 its reverse (14023124), we get a palindrome (435343534).

The spelling of 421320410 in words is "four hundred twenty-one million, three hundred twenty thousand, four hundred ten".