478423332480 has 128 divisors (see below), whose sum is σ = 1557420929280. Its totient is φ = 124865073152.

The previous prime is 478423332463. The next prime is 478423332493. The reversal of 478423332480 is 84233324874.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×478423332480² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2560599 + ... + 2741078.

It is an arithmetic number, because the mean of its divisors is an integer number (12167351010).

Almost surely, 2^478423332480 is an apocalyptic number.

478423332480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478423332480 is an abundant number, since it is smaller than the sum of its proper divisors (1078997596800).

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

478423332480 is a wasteful number, since it uses less digits than its factorization.

478423332480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301746 (or 5301734 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 48.

The spelling of 478423332480 in words is "four hundred seventy-eight billion, four hundred twenty-three million, three hundred thirty-two thousand, four hundred eighty".