421510150040 has 192 divisors, whose sum is σ = 1142275348800. Its totient is φ = 139412861952.

The previous prime is 421510150027. The next prime is 421510150063. The reversal of 421510150040 is 40051015124.

It is a junction number, because it is equal to n+sod(n) for n = 421510149988 and 421510150015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84859637 + ... + 84864603.

It is an arithmetic number, because the mean of its divisors is an integer number (5949350775).

Almost surely, 2^421510150040 is an apocalyptic number.

421510150040 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 421510150040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571137674400).

421510150040 is an abundant number, since it is smaller than the sum of its proper divisors (720765198760).

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

421510150040 is a wasteful number, since it uses less digits than its factorization.

421510150040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514 (or 6503 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 421510150040 its reverse (40051015124), we get a palindrome (461561165164).

The spelling of 421510150040 in words is "four hundred twenty-one billion, five hundred ten million, one hundred fifty thousand, forty".