404020462 has 4 divisors (see below), whose sum is σ = 606030696. Its totient is φ = 202010230.

The previous prime is 404020451. The next prime is 404020469. The reversal of 404020462 is 264020404.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404020469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005114 + ... + 101005117.

It is an arithmetic number, because the mean of its divisors is an integer number (151507674).

Almost surely, 2^404020462 is an apocalyptic number.

404020462 is a deficient number, since it is larger than the sum of its proper divisors (202010234).

404020462 is a wasteful number, since it uses less digits than its factorization.

404020462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202010233.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 404020462 is about 20100.2602470714. The cubic root of 404020462 is about 739.2666596694.

Adding to 404020462 its reverse (264020404), we get a palindrome (668040866).

The spelling of 404020462 in words is "four hundred four million, twenty thousand, four hundred sixty-two".