420525255263 has 8 divisors (see below), whose sum is σ = 436234908480. Its totient is φ = 405075265920.

The previous prime is 420525255253. The next prime is 420525255277. The reversal of 420525255263 is 362552525024.

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

It is a cyclic number.

It is not a de Polignac number, because 420525255263 - 2¹⁰ = 420525254239 is a prime.

It is a super-2 number, since 2×420525255263² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420525255263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420525255233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64912670 + ... + 64919147.

It is an arithmetic number, because the mean of its divisors is an integer number (54529363560).

Almost surely, 2^420525255263 is an apocalyptic number.

420525255263 is a deficient number, since it is larger than the sum of its proper divisors (15709653217).

420525255263 is a wasteful number, since it uses less digits than its factorization.

420525255263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129831937.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 420525255263 in words is "four hundred twenty billion, five hundred twenty-five million, two hundred fifty-five thousand, two hundred sixty-three".