2438277985 has 96 divisors (see below), whose sum is σ = 3676119552. Its totient is φ = 1529349120.

The previous prime is 2438277983. The next prime is 2438278021. The reversal of 2438277985 is 5897728342.

It is a happy number.

It is not a de Polignac number, because 2438277985 - 2¹ = 2438277983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2438277983) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46005219 + ... + 46005271.

It is an arithmetic number, because the mean of its divisors is an integer number (38292912).

Almost surely, 2^2438277985 is an apocalyptic number.

It is an amenable number.

2438277985 is a deficient number, since it is larger than the sum of its proper divisors (1237841567).

2438277985 is a wasteful number, since it uses less digits than its factorization.

2438277985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 166 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 55.

The square root of 2438277985 is about 49378.9224771056. The cubic root of 2438277985 is about 1345.9463192841.

The spelling of 2438277985 in words is "two billion, four hundred thirty-eight million, two hundred seventy-seven thousand, nine hundred eighty-five".