420041064 has 32 divisors (see below), whose sum is σ = 1075717440. Its totient is φ = 136598400.

The previous prime is 420041009. The next prime is 420041077. The reversal of 420041064 is 460140024.

It is a self number, because there is not a number n which added to its sum of digits gives 420041064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212452 + ... + 214419.

It is an arithmetic number, because the mean of its divisors is an integer number (33616170).

Almost surely, 2^420041064 is an apocalyptic number.

It is an amenable number.

420041064 is an abundant number, since it is smaller than the sum of its proper divisors (655676376).

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

420041064 is a wasteful number, since it uses less digits than its factorization.

420041064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426921 (or 426917 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 420041064 is about 20494.9033664470. The cubic root of 420041064 is about 748.9116445182.

Adding to 420041064 its reverse (460140024), we get a palindrome (880181088).

The spelling of 420041064 in words is "four hundred twenty million, forty-one thousand, sixty-four".