421445622630 has 32 divisors (see below), whose sum is σ = 1011546519264. Its totient is φ = 112376941056.

The previous prime is 421445622623. The next prime is 421445622649. The reversal of 421445622630 is 36226544124.

It is a happy number.

It is a congruent number.

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, 129337 + ... + 927156.

It is an arithmetic number, because the mean of its divisors is an integer number (31610828727).

Almost surely, 2^421445622630 is an apocalyptic number.

421445622630 is an abundant number, since it is smaller than the sum of its proper divisors (590100896634).

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

421445622630 is a wasteful number, since it uses less digits than its factorization.

421445622630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069800.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 421445622630 in words is "four hundred twenty-one billion, four hundred forty-five million, six hundred twenty-two thousand, six hundred thirty".