478196940 has 192 divisors, whose sum is σ = 1556835840. Its totient is φ = 108656640.

The previous prime is 478196879. The next prime is 478196951. The reversal of 478196940 is 49691874.

It is a self number, because there is not a number n which added to its sum of digits gives 478196940.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 607227 + ... + 608013.

It is an arithmetic number, because the mean of its divisors is an integer number (8108520).

Almost surely, 2^478196940 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 478196940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778417920).

478196940 is an abundant number, since it is smaller than the sum of its proper divisors (1078638900).

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

478196940 is a wasteful number, since it uses less digits than its factorization.

478196940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 478196940 is about 21867.7145582249. The cubic root of 478196940 is about 781.9919173773.

The spelling of 478196940 in words is "four hundred seventy-eight million, one hundred ninety-six thousand, nine hundred forty".