2478423730 has 16 divisors (see below), whose sum is σ = 4522275864. Its totient is φ = 977788800.

The previous prime is 2478423713. The next prime is 2478423763. The reversal of 2478423730 is 373248742.

It can be written as a sum of positive squares in 4 ways, for example, as 2112045849 + 366377881 = 45957^2 + 19141^2 .

It is a super-2 number, since 2×2478423730² = 12285168370854225800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696821 + ... + 1698280.

Almost surely, 2^2478423730 is an apocalyptic number.

2478423730 is a deficient number, since it is larger than the sum of its proper divisors (2043852134).

2478423730 is a wasteful number, since it uses less digits than its factorization.

2478423730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395181.

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 2478423730 is about 49783.7697447672. The cubic root of 2478423730 is about 1353.2930544579.

The spelling of 2478423730 in words is "two billion, four hundred seventy-eight million, four hundred twenty-three thousand, seven hundred thirty".