420656411 has 8 divisors (see below), whose sum is σ = 480929280. Its totient is φ = 360428328.

The previous prime is 420656377. The next prime is 420656413. The reversal of 420656411 is 114656024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420656411 is a prime.

It is a super-2 number, since 2×420656411² = 353903632230801842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420656413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12200 + ... + 31466.

It is an arithmetic number, because the mean of its divisors is an integer number (60116160).

Almost surely, 2^420656411 is an apocalyptic number.

420656411 is a deficient number, since it is larger than the sum of its proper divisors (60272869).

420656411 is a wasteful number, since it uses less digits than its factorization.

420656411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22393.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 420656411 is about 20509.9100680622. The cubic root of 420656411 is about 749.2771767778.

The spelling of 420656411 in words is "four hundred twenty million, six hundred fifty-six thousand, four hundred eleven".