420040262 has 8 divisors (see below), whose sum is σ = 630228936. Its totient is φ = 209963952.

The previous prime is 420040261. The next prime is 420040279. The reversal of 420040262 is 262040024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420040261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18023 + ... + 34130.

It is an arithmetic number, because the mean of its divisors is an integer number (78778617).

Almost surely, 2^420040262 is an apocalyptic number.

420040262 is a deficient number, since it is larger than the sum of its proper divisors (210188674).

420040262 is a wasteful number, since it uses less digits than its factorization.

420040262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56182.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 420040262 is about 20494.8838005977. The cubic root of 420040262 is about 748.9111678763.

Adding to 420040262 its reverse (262040024), we get a palindrome (682080286).

The spelling of 420040262 in words is "four hundred twenty million, forty thousand, two hundred sixty-two".