421054430215330 has 64 divisors (see below), whose sum is σ = 777138490107648. Its totient is φ = 164186824838400.

The previous prime is 421054430215327. The next prime is 421054430215339. The reversal of 421054430215330 is 33512034450124.

It is a self number, because there is not a number n which added to its sum of digits gives 421054430215330.

It is not an unprimeable number, because it can be changed into a prime (421054430215339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5094324505 + ... + 5094407155.

It is an arithmetic number, because the mean of its divisors is an integer number (12142788907932).

Almost surely, 2^{421054430215330} is an apocalyptic number.

421054430215330 is a deficient number, since it is larger than the sum of its proper divisors (356084059892318).

421054430215330 is a wasteful number, since it uses less digits than its factorization.

421054430215330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144091.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 421054430215330 its reverse (33512034450124), we get a palindrome (454566464665454).

The spelling of 421054430215330 in words is "four hundred twenty-one trillion, fifty-four billion, four hundred thirty million, two hundred fifteen thousand, three hundred thirty".