2438285642 has 32 divisors (see below), whose sum is σ = 3992602320. Its totient is φ = 1110067200.

The previous prime is 2438285627. The next prime is 2438285657. The reversal of 2438285642 is 2465828342.

It is a Cunningham number, because it is equal to 49379²+1.

It is an interprime number because it is at equal distance from previous prime (2438285627) and next prime (2438285657).

It can be written as a sum of positive squares in 8 ways, for example, as 2306976961 + 131308681 = 48031^2 + 11459^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2438285593 and 2438285602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767834 + ... + 771002.

Almost surely, 2^2438285642 is an apocalyptic number.

2438285642 is a deficient number, since it is larger than the sum of its proper divisors (1554316678).

2438285642 is a wasteful number, since it uses less digits than its factorization.

2438285642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578.

The product of its digits is 737280, while the sum is 44.

The square root of 2438285642 is about 49379.0000101258. Note that the first 4 decimals coincide. The cubic root of 2438285642 is about 1345.9477281883.

The spelling of 2438285642 in words is "two billion, four hundred thirty-eight million, two hundred eighty-five thousand, six hundred forty-two".