420440362 has 8 divisors (see below), whose sum is σ = 667758276. Its totient is φ = 197854272.

The previous prime is 420440357. The next prime is 420440387. The reversal of 420440362 is 263044024.

It can be written as a sum of positive squares in 2 ways, for example, as 420209001 + 231361 = 20499^2 + 481^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6182913 + ... + 6182980.

Almost surely, 2^420440362 is an apocalyptic number.

420440362 is a deficient number, since it is larger than the sum of its proper divisors (247317914).

420440362 is a wasteful number, since it uses less digits than its factorization.

420440362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12365912.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 420440362 is about 20504.6424499429. The cubic root of 420440362 is about 749.1488786367.

Adding to 420440362 its reverse (263044024), we get a palindrome (683484386).

The spelling of 420440362 in words is "four hundred twenty million, four hundred forty thousand, three hundred sixty-two".