421021420314000 has 640 divisors, whose sum is σ = 1499877190715904. Its totient is φ = 100754841600000.

The previous prime is 421021420313981. The next prime is 421021420314037. The reversal of 421021420314000 is 413024120124.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2246348292 + ... + 2246535708.

Almost surely, 2^{421021420314000} is an apocalyptic number.

421021420314000 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 421021420314000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749938595357952).

421021420314000 is an abundant number, since it is smaller than the sum of its proper divisors (1078855770401904).

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

421021420314000 is a wasteful number, since it uses less digits than its factorization.

421021420314000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187892 (or 187876 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 421021420314000 its reverse (413024120124), we get a palindrome (421434444434124).

The spelling of 421021420314000 in words is "four hundred twenty-one trillion, twenty-one billion, four hundred twenty million, three hundred fourteen thousand".