420404054 has 16 divisors (see below), whose sum is σ = 724723200. Its totient is φ = 179165544.

The previous prime is 420404053. The next prime is 420404057. The reversal of 420404054 is 450404024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420404053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81374 + ... + 86385.

It is an arithmetic number, because the mean of its divisors is an integer number (45295200).

Almost surely, 2^420404054 is an apocalyptic number.

420404054 is a deficient number, since it is larger than the sum of its proper divisors (304319146).

420404054 is a wasteful number, since it uses less digits than its factorization.

420404054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167947.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 420404054 is about 20503.7570703518. The cubic root of 420404054 is about 749.1273132473.

Adding to 420404054 its reverse (450404024), we get a palindrome (870808078).

The spelling of 420404054 in words is "four hundred twenty million, four hundred four thousand, fifty-four".