470238140 has 24 divisors (see below), whose sum is σ = 988888992. Its totient is φ = 187830720.

The previous prime is 470238137. The next prime is 470238169. The reversal of 470238140 is 41832074.

470238140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×470238140² = 442247816621319200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631 + ... + 30710.

It is an arithmetic number, because the mean of its divisors is an integer number (41203708).

Almost surely, 2^470238140 is an apocalyptic number.

It is an amenable number.

470238140 is an abundant number, since it is smaller than the sum of its proper divisors (518650852).

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

470238140 is a wasteful number, since it uses less digits than its factorization.

470238140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33077 (or 33075 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 470238140 is about 21684.9749826925. The cubic root of 470238140 is about 777.6293020134.

The spelling of 470238140 in words is "four hundred seventy million, two hundred thirty-eight thousand, one hundred forty".