4978216406 has 24 divisors (see below), whose sum is σ = 7880289120. Its totient is φ = 2357520240.

The previous prime is 4978216387. The next prime is 4978216427. The reversal of 4978216406 is 6046128794.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62780 + ... + 117888.

It is an arithmetic number, because the mean of its divisors is an integer number (328345380).

Almost surely, 2^4978216406 is an apocalyptic number.

4978216406 is a deficient number, since it is larger than the sum of its proper divisors (2902072714).

4978216406 is a wasteful number, since it uses less digits than its factorization.

4978216406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55220 (or 55189 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 4978216406 is about 70556.4767119221. The cubic root of 4978216406 is about 1707.4890367986.

The spelling of 4978216406 in words is "four billion, nine hundred seventy-eight million, two hundred sixteen thousand, four hundred six".