478407285834 has 64 divisors (see below), whose sum is σ = 985719601152. Its totient is φ = 154713603200.

The previous prime is 478407285793. The next prime is 478407285899. The reversal of 478407285834 is 438582704874.

It is a happy number.

It is a super-2 number, since 2×478407285834² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35864014 + ... + 35877350.

It is an arithmetic number, because the mean of its divisors is an integer number (15401868768).

Almost surely, 2^478407285834 is an apocalyptic number.

478407285834 is an abundant number, since it is smaller than the sum of its proper divisors (507312315318).

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

478407285834 is a wasteful number, since it uses less digits than its factorization.

478407285834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14491.

The product of its (nonzero) digits is 48168960, while the sum is 60.

The spelling of 478407285834 in words is "four hundred seventy-eight billion, four hundred seven million, two hundred eighty-five thousand, eight hundred thirty-four".