4040242006450 has 24 divisors (see below), whose sum is σ = 8092915528068. Its totient is φ = 1491781663680.

The previous prime is 4040242006387. The next prime is 4040242006511. The reversal of 4040242006450 is 546002420404.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 269534373889 + 3770707632561 = 519167^2 + 1941831^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3107877817 + ... + 3107879116.

Almost surely, 2^{4040242006450} is an apocalyptic number.

4040242006450 is an abundant number, since it is smaller than the sum of its proper divisors (4052673521618).

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

4040242006450 is a wasteful number, since it uses less digits than its factorization.

4040242006450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215756958 (or 6215756953 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 4040242006450 its reverse (546002420404), we get a palindrome (4586244426854).

The spelling of 4040242006450 in words is "four trillion, forty billion, two hundred forty-two million, six thousand, four hundred fifty".