475539407488 has 16 divisors (see below), whose sum is σ = 947363663610. Its totient is φ = 237769703680.

The previous prime is 475539407477. The next prime is 475539407489. The reversal of 475539407488 is 884704935574.

It can be written as a sum of positive squares in only one way, i.e., 436963305024 + 38576102464 = 661032^2 + 196408^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×475539407488² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (475539407489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1857575683 + ... + 1857575938.

Almost surely, 2^475539407488 is an apocalyptic number.

It is an amenable number.

475539407488 is a deficient number, since it is larger than the sum of its proper divisors (471824256122).

475539407488 is an equidigital number, since it uses as much as digits as its factorization.

475539407488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715151635 (or 3715151623 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 475539407488 in words is "four hundred seventy-five billion, five hundred thirty-nine million, four hundred seven thousand, four hundred eighty-eight".