4004244402015 has 64 divisors (see below), whose sum is σ = 7611431224320. Its totient is φ = 1771973237760.

The previous prime is 4004244401987. The next prime is 4004244402019. The reversal of 4004244402015 is 5102044424004.

It is not a de Polignac number, because 4004244402015 - 2¹² = 4004244397919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004244402019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10296627 + ... + 10678436.

It is an arithmetic number, because the mean of its divisors is an integer number (118928612880).

Almost surely, 2^{4004244402015} is an apocalyptic number.

4004244402015 is a deficient number, since it is larger than the sum of its proper divisors (3607186822305).

4004244402015 is a wasteful number, since it uses less digits than its factorization.

4004244402015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20975184.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 4004244402015 its reverse (5102044424004), we get a palindrome (9106288826019).

The spelling of 4004244402015 in words is "four trillion, four billion, two hundred forty-four million, four hundred two thousand, fifteen".