4048040040040 has 32 divisors (see below), whose sum is σ = 9169218225000. Its totient is φ = 1608348792064.

The previous prime is 4048040039977. The next prime is 4048040040043. The reversal of 4048040040040 is 400400408404.

It can be written as a sum of positive squares in 4 ways, for example, as 3580504097284 + 467535942756 = 1892222^2 + 683766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4048040039990 and 4048040040008.

It is not an unprimeable number, because it can be changed into a prime (4048040040043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339594715 + ... + 339606634.

Almost surely, 2^{4048040040040} is an apocalyptic number.

4048040040040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4048040040040 is an abundant number, since it is smaller than the sum of its proper divisors (5121178184960).

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

4048040040040 is a wasteful number, since it uses less digits than its factorization.

4048040040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679201509 (or 679201505 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 4048040040040 its reverse (400400408404), we get a palindrome (4448440448444).

The spelling of 4048040040040 in words is "four trillion, forty-eight billion, forty million, forty thousand, forty".