420012401434 has 32 divisors (see below), whose sum is σ = 659369154816. Its totient is φ = 200277960960.

The previous prime is 420012401381. The next prime is 420012401447. The reversal of 420012401434 is 434104210024.

It is a junction number, because it is equal to n+sod(n) for n = 420012401399 and 420012401408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22717474 + ... + 22735954.

It is an arithmetic number, because the mean of its divisors is an integer number (20605286088).

Almost surely, 2^420012401434 is an apocalyptic number.

420012401434 is a deficient number, since it is larger than the sum of its proper divisors (239356753382).

420012401434 is a wasteful number, since it uses less digits than its factorization.

420012401434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19950.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 420012401434 its reverse (434104210024), we get a palindrome (854116611458).

The spelling of 420012401434 in words is "four hundred twenty billion, twelve million, four hundred one thousand, four hundred thirty-four".