4478977248258 has 32 divisors (see below), whose sum is σ = 9017455798080. Its totient is φ = 1483108102080.

The previous prime is 4478977248247. The next prime is 4478977248281. The reversal of 4478977248258 is 8528427798744.

It is a super-2 number, since 2×4478977248258² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4478977248258.

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 15 ways as a sum of consecutive naturals, for example, 3520773 + ... + 4621016.

It is an arithmetic number, because the mean of its divisors is an integer number (281795493690).

Almost surely, 2^{4478977248258} is an apocalyptic number.

4478977248258 is an abundant number, since it is smaller than the sum of its proper divisors (4538478549822).

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

4478977248258 is a wasteful number, since it uses less digits than its factorization.

4478977248258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8142402.

The product of its digits is 2023096320, while the sum is 75.

The spelling of 4478977248258 in words is "four trillion, four hundred seventy-eight billion, nine hundred seventy-seven million, two hundred forty-eight thousand, two hundred fifty-eight".