475559840988 has 60 divisors (see below), whose sum is σ = 1244166986832. Its totient is φ = 158397586560.

The previous prime is 475559840969. The next prime is 475559840993. The reversal of 475559840988 is 889048955574.

475559840988 is a `hidden beast` number, since 4 + 7 + 5 + 55 + 98 + 409 + 88 = 666.

It is a super-2 number, since 2×475559840988² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 145608 + ... + 986063.

Almost surely, 2^475559840988 is an apocalyptic number.

It is an amenable number.

475559840988 is an abundant number, since it is smaller than the sum of its proper divisors (768607145844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475559840988 is a wasteful number, since it uses less digits than its factorization.

475559840988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132984 (or 1132973 counting only the distinct ones).

The product of its (nonzero) digits is 580608000, while the sum is 72.

The spelling of 475559840988 in words is "four hundred seventy-five billion, five hundred fifty-nine million, eight hundred forty thousand, nine hundred eighty-eight".