420018354 has 48 divisors (see below), whose sum is σ = 1101230208. Its totient is φ = 112945536.

The previous prime is 420018331. The next prime is 420018383. The reversal of 420018354 is 453810024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95902 + ... + 100185.

It is an arithmetic number, because the mean of its divisors is an integer number (22942296).

Almost surely, 2^420018354 is an apocalyptic number.

420018354 is an abundant number, since it is smaller than the sum of its proper divisors (681211854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420018354 is a wasteful number, since it uses less digits than its factorization.

420018354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196119 (or 196116 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 420018354 is about 20494.3493187757. The cubic root of 420018354 is about 748.8981473537.

Adding to 420018354 its reverse (453810024), we get a palindrome (873828378).

The spelling of 420018354 in words is "four hundred twenty million, eighteen thousand, three hundred fifty-four".