475263256215 has 32 divisors (see below), whose sum is σ = 840051072000. Its totient is φ = 227513819520.

The previous prime is 475263256207. The next prime is 475263256219. The reversal of 475263256215 is 512652362574.

It is not a de Polignac number, because 475263256215 - 2³ = 475263256207 is a prime.

It is a super-2 number, since 2×475263256215² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475263256219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18217240 + ... + 18243309.

It is an arithmetic number, because the mean of its divisors is an integer number (26251596000).

Almost surely, 2^475263256215 is an apocalyptic number.

475263256215 is a deficient number, since it is larger than the sum of its proper divisors (364787815785).

475263256215 is a wasteful number, since it uses less digits than its factorization.

475263256215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36460647.

The product of its digits is 3024000, while the sum is 48.

The spelling of 475263256215 in words is "four hundred seventy-five billion, two hundred sixty-three million, two hundred fifty-six thousand, two hundred fifteen".