475254540 has 72 divisors (see below), whose sum is σ = 1495013520. Its totient is φ = 126733248.

The previous prime is 475254511. The next prime is 475254547. The reversal of 475254540 is 45452574.

It is a happy number.

475254540 is a `hidden beast` number, since 4 + 75 + 2 + 545 + 40 = 666.

It is a super-2 number, since 2×475254540² = 451733755581223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 475254495 and 475254504.

It is not an unprimeable number, because it can be changed into a prime (475254547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44035 + ... + 53754.

Almost surely, 2^475254540 is an apocalyptic number.

It is an amenable number.

475254540 is an abundant number, since it is smaller than the sum of its proper divisors (1019758980).

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

475254540 is a wasteful number, since it uses less digits than its factorization.

475254540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97813 (or 97799 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 475254540 is about 21800.3334836878. Note that the first 3 decimals coincide. The cubic root of 475254540 is about 780.3847214542.

The spelling of 475254540 in words is "four hundred seventy-five million, two hundred fifty-four thousand, five hundred forty".