2478724066 has 64 divisors (see below), whose sum is σ = 4907105280. Its totient is φ = 911139840.

The previous prime is 2478724063. The next prime is 2478724067. The reversal of 2478724066 is 6604278742.

It is a super-2 number, since 2×2478724066² = 12288145990735144712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478724063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239356 + ... + 249496.

It is an arithmetic number, because the mean of its divisors is an integer number (76673520).

Almost surely, 2^2478724066 is an apocalyptic number.

2478724066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2478724066 is a deficient number, since it is larger than the sum of its proper divisors (2428381214).

2478724066 is a wasteful number, since it uses less digits than its factorization.

2478724066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259.

The product of its (nonzero) digits is 903168, while the sum is 46.

The square root of 2478724066 is about 49786.7860581500. The cubic root of 2478724066 is about 1353.3477163789.

The spelling of 2478724066 in words is "two billion, four hundred seventy-eight million, seven hundred twenty-four thousand, sixty-six".