420631260417 has 8 divisors (see below), whose sum is σ = 623157422880. Its totient is φ = 280420840260.

The previous prime is 420631260403. The next prime is 420631260419. The reversal of 420631260417 is 714062136024.

420631260417 is a `hidden beast` number, since 4 + 2 + 0 + 6 + 31 + 2 + 604 + 17 = 666.

420631260417 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 420631260417 - 2²⁸ = 420362824961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420631260419) 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, 7789467759 + ... + 7789467812.

It is an arithmetic number, because the mean of its divisors is an integer number (77894677860).

Almost surely, 2^420631260417 is an apocalyptic number.

It is an amenable number.

420631260417 is a deficient number, since it is larger than the sum of its proper divisors (202526162463).

420631260417 is a wasteful number, since it uses less digits than its factorization.

420631260417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15578935580 (or 15578935574 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 420631260417 in words is "four hundred twenty billion, six hundred thirty-one million, two hundred sixty thousand, four hundred seventeen".