420086261475 has 48 divisors (see below), whose sum is σ = 796608061440. Its totient is φ = 216818704800.

The previous prime is 420086261473. The next prime is 420086261477. The reversal of 420086261475 is 574162680024.

420086261475 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 8 + 626 + 14 + 7 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (420086261473) and next prime (420086261477).

It is not a de Polignac number, because 420086261475 - 2¹ = 420086261473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 420086261475.

It is not an unprimeable number, because it can be changed into a prime (420086261471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10016979 + ... + 10058828.

It is an arithmetic number, because the mean of its divisors is an integer number (16596001280).

Almost surely, 2^420086261475 is an apocalyptic number.

420086261475 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

420086261475 is a deficient number, since it is larger than the sum of its proper divisors (376521799965).

420086261475 is a wasteful number, since it uses less digits than its factorization.

420086261475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20075857 (or 20075846 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 420086261475 in words is "four hundred twenty billion, eighty-six million, two hundred sixty-one thousand, four hundred seventy-five".