420626404 has 48 divisors (see below), whose sum is σ = 819201600. Its totient is φ = 187379840.

The previous prime is 420626363. The next prime is 420626419. The reversal of 420626404 is 404626024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543762 + ... + 544534.

It is an arithmetic number, because the mean of its divisors is an integer number (17066700).

Almost surely, 2^420626404 is an apocalyptic number.

420626404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420626404 is a deficient number, since it is larger than the sum of its proper divisors (398575196).

420626404 is a wasteful number, since it uses less digits than its factorization.

420626404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 420626404 is about 20509.1785305994. The cubic root of 420626404 is about 749.2593601034.

The spelling of 420626404 in words is "four hundred twenty million, six hundred twenty-six thousand, four hundred four".