421589048370 has 128 divisors (see below), whose sum is σ = 1180398182400. Its totient is φ = 96327241920.

The previous prime is 421589048359. The next prime is 421589048383. The reversal of 421589048370 is 73840985124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35628355 + ... + 35640185.

It is an arithmetic number, because the mean of its divisors is an integer number (9221860800).

Almost surely, 2^421589048370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421589048370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590199091200).

421589048370 is an abundant number, since it is smaller than the sum of its proper divisors (758809134030).

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

421589048370 is a wasteful number, since it uses less digits than its factorization.

421589048370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15325 (or 15311 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 421589048370 in words is "four hundred twenty-one billion, five hundred eighty-nine million, forty-eight thousand, three hundred seventy".