475355540 has 96 divisors (see below), whose sum is σ = 1126984320. Its totient is φ = 166924800.

The previous prime is 475355483. The next prime is 475355557. The reversal of 475355540 is 45553574.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 475355494 and 475355503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1030910 + ... + 1031370.

It is an arithmetic number, because the mean of its divisors is an integer number (11739420).

Almost surely, 2^475355540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475355540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563492160).

475355540 is an abundant number, since it is smaller than the sum of its proper divisors (651628780).

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

475355540 is a wasteful number, since it uses less digits than its factorization.

475355540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 38.

The square root of 475355540 is about 21802.6498389531. The cubic root of 475355540 is about 780.4399993930.

The spelling of 475355540 in words is "four hundred seventy-five million, three hundred fifty-five thousand, five hundred forty".