2438516385 has 12 divisors (see below), whose sum is σ = 4226761812. Its totient is φ = 1300542048.

The previous prime is 2438516323. The next prime is 2438516393. The reversal of 2438516385 is 5836158342.

2438516385 is a `hidden beast` number, since 2 + 4 + 3 + 8 + 5 + 1 + 638 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 377447184 + 2061069201 = 19428^2 + 45399^2 .

It is not a de Polignac number, because 2438516385 - 2⁶ = 2438516321 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 54189253 = 2438516385 / (2 + 4 + 3 + 8 + 5 + 1 + 6 + 3 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2438516385.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27094582 + ... + 27094671.

It is an arithmetic number, because the mean of its divisors is an integer number (352230151).

Almost surely, 2^2438516385 is an apocalyptic number.

It is an amenable number.

2438516385 is a deficient number, since it is larger than the sum of its proper divisors (1788245427).

2438516385 is a wasteful number, since it uses less digits than its factorization.

2438516385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54189264 (or 54189261 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 2438516385 is about 49381.3364035442. The cubic root of 2438516385 is about 1345.9901840044.

The spelling of 2438516385 in words is "two billion, four hundred thirty-eight million, five hundred sixteen thousand, three hundred eighty-five".