421225361032 has 64 divisors (see below), whose sum is σ = 936571161600. Its totient is φ = 173796433920.

The previous prime is 421225361027. The next prime is 421225361057. The reversal of 421225361032 is 230163522124.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 421225360985 and 421225361003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293557 + ... + 963652.

It is an arithmetic number, because the mean of its divisors is an integer number (14633924400).

Almost surely, 2^421225361032 is an apocalyptic number.

It is an amenable number.

421225361032 is an abundant number, since it is smaller than the sum of its proper divisors (515345800568).

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

421225361032 is a wasteful number, since it uses less digits than its factorization.

421225361032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257446 (or 1257442 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 421225361032 its reverse (230163522124), we get a palindrome (651388883156).

The spelling of 421225361032 in words is "four hundred twenty-one billion, two hundred twenty-five million, three hundred sixty-one thousand, thirty-two".