471145818 has 32 divisors (see below), whose sum is σ = 1107029952. Its totient is φ = 131788800.

The previous prime is 471145817. The next prime is 471145841. The reversal of 471145818 is 818541174.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (471145811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273703 + ... + 275418.

It is an arithmetic number, because the mean of its divisors is an integer number (34594686).

Almost surely, 2^471145818 is an apocalyptic number.

471145818 is an abundant number, since it is smaller than the sum of its proper divisors (635884134).

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

471145818 is a wasteful number, since it uses less digits than its factorization.

471145818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549150.

The product of its digits is 35840, while the sum is 39.

The square root of 471145818 is about 21705.8936236221. The cubic root of 471145818 is about 778.1293205418.

The spelling of 471145818 in words is "four hundred seventy-one million, one hundred forty-five thousand, eight hundred eighteen".