421036007860 has 96 divisors (see below), whose sum is σ = 970532140032. Its totient is φ = 152466961920.

The previous prime is 421036007839. The next prime is 421036007879. The reversal of 421036007860 is 68700630124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51905205 + ... + 51913315.

It is an arithmetic number, because the mean of its divisors is an integer number (10109709792).

Almost surely, 2^421036007860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421036007860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485266070016).

421036007860 is an abundant number, since it is smaller than the sum of its proper divisors (549496132172).

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

421036007860 is a wasteful number, since it uses less digits than its factorization.

421036007860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11953 (or 11951 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

Adding to 421036007860 its reverse (68700630124), we get a palindrome (489736637984).

The spelling of 421036007860 in words is "four hundred twenty-one billion, thirty-six million, seven thousand, eight hundred sixty".