5478620446 has 16 divisors (see below), whose sum is σ = 8853120864. Its totient is φ = 2527725024.

The previous prime is 5478620443. The next prime is 5478620453. The reversal of 5478620446 is 6440268745.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5478620396 and 5478620405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478620443) 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, 44271 + ... + 113653.

It is an arithmetic number, because the mean of its divisors is an integer number (553320054).

Almost surely, 2^5478620446 is an apocalyptic number.

5478620446 is a deficient number, since it is larger than the sum of its proper divisors (3374500418).

5478620446 is a wasteful number, since it uses less digits than its factorization.

5478620446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72435.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The square root of 5478620446 is about 74017.7035985311. The cubic root of 5478620446 is about 1762.8840075772.

The spelling of 5478620446 in words is "five billion, four hundred seventy-eight million, six hundred twenty thousand, four hundred forty-six".