420234412445 has 24 divisors (see below), whose sum is σ = 532300732704. Its totient is φ = 318444730848.

The previous prime is 420234412393. The next prime is 420234412489. The reversal of 420234412445 is 544214432024.

It is not a de Polignac number, because 420234412445 - 2⁸ = 420234412189 is a prime.

It is a super-2 number, since 2×420234412445² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15558242 + ... + 15585228.

It is an arithmetic number, because the mean of its divisors is an integer number (22179197196).

Almost surely, 2^420234412445 is an apocalyptic number.

It is an amenable number.

420234412445 is a deficient number, since it is larger than the sum of its proper divisors (112066320259).

420234412445 is a wasteful number, since it uses less digits than its factorization.

420234412445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35657 (or 35638 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 420234412445 its reverse (544214432024), we get a palindrome (964448844469).

The spelling of 420234412445 in words is "four hundred twenty billion, two hundred thirty-four million, four hundred twelve thousand, four hundred forty-five".