478818663234 has 16 divisors (see below), whose sum is σ = 957668209920. Its totient is φ = 159601073840.

The previous prime is 478818663233. The next prime is 478818663241. The reversal of 478818663234 is 432366818874.

It is a happy number.

It is a super-2 number, since 2×478818663234² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478818663233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082769 + ... + 1459460.

It is an arithmetic number, because the mean of its divisors is an integer number (59854263120).

Almost surely, 2^478818663234 is an apocalyptic number.

478818663234 is an abundant number, since it is smaller than the sum of its proper divisors (478849546686).

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

478818663234 is a wasteful number, since it uses less digits than its factorization.

478818663234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573625.

The product of its digits is 37158912, while the sum is 60.

The spelling of 478818663234 in words is "four hundred seventy-eight billion, eight hundred eighteen million, six hundred sixty-three thousand, two hundred thirty-four".