420240052015 has 16 divisors (see below), whose sum is σ = 581924648448. Its totient is φ = 285366890016.

The previous prime is 420240051967. The next prime is 420240052039. The reversal of 420240052015 is 510250042024.

It is a cyclic number.

It is not a de Polignac number, because 420240052015 - 2¹³ = 420240043823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58282117 + ... + 58289326.

It is an arithmetic number, because the mean of its divisors is an integer number (36370290528).

Almost surely, 2^420240052015 is an apocalyptic number.

420240052015 is a deficient number, since it is larger than the sum of its proper divisors (161684596433).

420240052015 is a wasteful number, since it uses less digits than its factorization.

420240052015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116571558.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 420240052015 its reverse (510250042024), we get a palindrome (930490094039).

Subtracting 420240052015 from its reverse (510250042024), we obtain a palindrome (90009990009).

The spelling of 420240052015 in words is "four hundred twenty billion, two hundred forty million, fifty-two thousand, fifteen".