2438978850 has 504 divisors, whose sum is σ = 8652362880. Its totient is φ = 500385600.

The previous prime is 2438978819. The next prime is 2438978881. The reversal of 2438978850 is 588798342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2438978819) and next prime (2438978881).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 30873111 + ... + 30873189.

Almost surely, 2^2438978850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2438978850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4326181440).

2438978850 is an abundant number, since it is smaller than the sum of its proper divisors (6213384030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2438978850 is a wasteful number, since it uses less digits than its factorization.

2438978850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The square root of 2438978850 is about 49386.0187704982. The cubic root of 2438978850 is about 1346.0752677063.

The spelling of 2438978850 in words is "two billion, four hundred thirty-eight million, nine hundred seventy-eight thousand, eight hundred fifty".