420631260304 has 80 divisors (see below), whose sum is σ = 885635726400. Its totient is φ = 192798093312.

The previous prime is 420631260299. The next prime is 420631260331. The reversal of 420631260304 is 403062136024.

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, 1492267 + ... + 1751605.

It is an arithmetic number, because the mean of its divisors is an integer number (11070446580).

Almost surely, 2^420631260304 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 420631260304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442817863200).

420631260304 is an abundant number, since it is smaller than the sum of its proper divisors (465004466096).

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

420631260304 is a wasteful number, since it uses less digits than its factorization.

420631260304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259520 (or 259514 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 420631260304 its reverse (403062136024), we get a palindrome (823693396328).

The spelling of 420631260304 in words is "four hundred twenty billion, six hundred thirty-one million, two hundred sixty thousand, three hundred four".