420479411 has 16 divisors (see below), whose sum is σ = 491557248. Its totient is φ = 355420800.

The previous prime is 420479401. The next prime is 420479417. The reversal of 420479411 is 114974024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420479411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420479417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1976 + ... + 29066.

It is an arithmetic number, because the mean of its divisors is an integer number (30722328).

Almost surely, 2^420479411 is an apocalyptic number.

420479411 is a deficient number, since it is larger than the sum of its proper divisors (71077837).

420479411 is a wasteful number, since it uses less digits than its factorization.

420479411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27202.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 420479411 is about 20505.5946268329. The cubic root of 420479411 is about 749.1720706767.

The spelling of 420479411 in words is "four hundred twenty million, four hundred seventy-nine thousand, four hundred eleven".