475236975440 has 40 divisors (see below), whose sum is σ = 1105300182600. Its totient is φ = 190030409216.

The previous prime is 475236975431. The next prime is 475236975539. The reversal of 475236975440 is 44579632574.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 103985611024 + 371251364416 = 322468^2 + 609304^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767915 + ... + 1241034.

It is an arithmetic number, because the mean of its divisors is an integer number (27632504565).

Almost surely, 2^475236975440 is an apocalyptic number.

475236975440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

475236975440 is an abundant number, since it is smaller than the sum of its proper divisors (630063207160).

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

475236975440 is a wasteful number, since it uses less digits than its factorization.

475236975440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011919 (or 2011913 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 475236975440 in words is "four hundred seventy-five billion, two hundred thirty-six million, nine hundred seventy-five thousand, four hundred forty".