478743502436 has 24 divisors (see below), whose sum is σ = 881958043680. Its totient is φ = 226757264832.

The previous prime is 478743502429. The next prime is 478743502463. The reversal of 478743502436 is 634205347874.

It is a happy number.

It is a super-2 number, since 2×478743502436² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901400 + ... + 1330416.

It is an arithmetic number, because the mean of its divisors is an integer number (36748251820).

Almost surely, 2^478743502436 is an apocalyptic number.

It is an amenable number.

478743502436 is a deficient number, since it is larger than the sum of its proper divisors (403214541244).

478743502436 is a wasteful number, since it uses less digits than its factorization.

478743502436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443723 (or 443721 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 53.

The spelling of 478743502436 in words is "four hundred seventy-eight billion, seven hundred forty-three million, five hundred two thousand, four hundred thirty-six".