2438779456 has 21 divisors (see below), whose sum is σ = 4840237081. Its totient is φ = 1219192192.

The previous prime is 2438779433. The next prime is 2438779463. The reversal of 2438779456 is 6549778342.

The square root of 2438779456 is 49384.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19713600 + 2419065856 = 4440^2 + 49184^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2438779397 and 2438779406.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 391986 + ... + 398158.

Almost surely, 2^2438779456 is an apocalyptic number.

2438779456 is the 49384-th square number.

It is an amenable number.

2438779456 is a deficient number, since it is larger than the sum of its proper divisors (2401457625).

2438779456 is an frugal number, since it uses more digits than its factorization.

2438779456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12358 (or 6175 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 55.

The cubic root of 2438779456 is about 1346.0385847797.

The spelling of 2438779456 in words is "two billion, four hundred thirty-eight million, seven hundred seventy-nine thousand, four hundred fifty-six".