475249860 has 144 divisors (see below), whose sum is σ = 1499202432. Its totient is φ = 121766400.

The previous prime is 475249847. The next prime is 475249861. The reversal of 475249860 is 68942574.

It is a happy number.

475249860 is a `hidden beast` number, since 47 + 524 + 9 + 86 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (475249861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 523527 + ... + 524433.

It is an arithmetic number, because the mean of its divisors is an integer number (10411128).

Almost surely, 2^475249860 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 475249860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749601216).

475249860 is an abundant number, since it is smaller than the sum of its proper divisors (1023952572).

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

475249860 is a wasteful number, since it uses less digits than its factorization.

475249860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 475249860 is about 21800.2261456160. The cubic root of 475249860 is about 780.3821598708.

The spelling of 475249860 in words is "four hundred seventy-five million, two hundred forty-nine thousand, eight hundred sixty".