478139760 has 400 divisors, whose sum is σ = 1935876096. Its totient is φ = 107122176.

The previous prime is 478139749. The next prime is 478139803. The reversal of 478139760 is 67931874.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3764817 + ... + 3764943.

Almost surely, 2^478139760 is an apocalyptic number.

478139760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478139760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967938048).

478139760 is an abundant number, since it is smaller than the sum of its proper divisors (1457736336).

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

478139760 is a wasteful number, since it uses less digits than its factorization.

478139760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 478139760 is about 21866.4071122807. The cubic root of 478139760 is about 781.9607474580.

The spelling of 478139760 in words is "four hundred seventy-eight million, one hundred thirty-nine thousand, seven hundred sixty".