421401013000 has 192 divisors, whose sum is σ = 1106947296000. Its totient is φ = 149974352000.

The previous prime is 421401012959. The next prime is 421401013001. The reversal of 421401013000 is 310104124.

It is not an unprimeable number, because it can be changed into a prime (421401013001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5649951 + ... + 5724049.

It is an arithmetic number, because the mean of its divisors is an integer number (5765350500).

Almost surely, 2^421401013000 is an apocalyptic number.

421401013000 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 421401013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553473648000).

421401013000 is an abundant number, since it is smaller than the sum of its proper divisors (685546283000).

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

421401013000 is a wasteful number, since it uses less digits than its factorization.

421401013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74189 (or 74164 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 421401013000 its reverse (310104124), we get a palindrome (421711117124).

The spelling of 421401013000 in words is "four hundred twenty-one billion, four hundred one million, thirteen thousand".