471438690 has 32 divisors (see below), whose sum is σ = 1133360640. Its totient is φ = 125505024.

The previous prime is 471438689. The next prime is 471438707. The reversal of 471438690 is 96834174.

It is a super-2 number, since 2×471438690² = 444508876857832200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5266 + ... + 31154.

It is an arithmetic number, because the mean of its divisors is an integer number (35417520).

Almost surely, 2^471438690 is an apocalyptic number.

471438690 is an abundant number, since it is smaller than the sum of its proper divisors (661921950).

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

471438690 is a wasteful number, since it uses less digits than its factorization.

471438690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26506.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 471438690 is about 21712.6389460148. The cubic root of 471438690 is about 778.2905198121.

The spelling of 471438690 in words is "four hundred seventy-one million, four hundred thirty-eight thousand, six hundred ninety".