478341864 has 192 divisors, whose sum is σ = 1739687040. Its totient is φ = 114670080.

The previous prime is 478341859. The next prime is 478341901. The reversal of 478341864 is 468143874.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68754 + ... + 75390.

It is an arithmetic number, because the mean of its divisors is an integer number (9060870).

Almost surely, 2^478341864 is an apocalyptic number.

478341864 is a gapful number since it is divisible by the number (44) 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 478341864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869843520).

478341864 is an abundant number, since it is smaller than the sum of its proper divisors (1261345176).

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

478341864 is a wasteful number, since it uses less digits than its factorization.

478341864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680 (or 6673 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 478341864 is about 21871.0279593804. The cubic root of 478341864 is about 782.0709071131.

The spelling of 478341864 in words is "four hundred seventy-eight million, three hundred forty-one thousand, eight hundred sixty-four".