421330045055 has 16 divisors (see below), whose sum is σ = 520494307104. Its totient is φ = 327175148160.

The previous prime is 421330045043. The next prime is 421330045067. The reversal of 421330045055 is 550540033124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (421330045043) and next prime (421330045067).

It is a de Polignac number, because none of the positive numbers 2^k-421330045055 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2626937 + ... + 2782706.

It is an arithmetic number, because the mean of its divisors is an integer number (32530894194).

Almost surely, 2^421330045055 is an apocalyptic number.

421330045055 is a deficient number, since it is larger than the sum of its proper divisors (99164262049).

421330045055 is a wasteful number, since it uses less digits than its factorization.

421330045055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410106.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 421330045055 its reverse (550540033124), we get a palindrome (971870078179).

The spelling of 421330045055 in words is "four hundred twenty-one billion, three hundred thirty million, forty-five thousand, fifty-five".