478610140 has 24 divisors (see below), whose sum is σ = 1024047360. Its totient is φ = 187831488.

The previous prime is 478610131. The next prime is 478610141. The reversal of 478610140 is 41016874.

It is a super-2 number, since 2×478610140² = 458135332221639200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478610141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 224700 + ... + 226819.

It is an arithmetic number, because the mean of its divisors is an integer number (42668640).

Almost surely, 2^478610140 is an apocalyptic number.

It is an amenable number.

478610140 is an abundant number, since it is smaller than the sum of its proper divisors (545437220).

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

478610140 is a wasteful number, since it uses less digits than its factorization.

478610140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451581 (or 451579 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 478610140 is about 21877.1602361915. The cubic root of 478610140 is about 782.2170868358.

The spelling of 478610140 in words is "four hundred seventy-eight million, six hundred ten thousand, one hundred forty".