4004043342040 has 64 divisors (see below), whose sum is σ = 10359277896960. Its totient is φ = 1364392667520.

The previous prime is 4004043342029. The next prime is 4004043342053. The reversal of 4004043342040 is 402433404004.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 43819866 + ... + 43911145.

It is an arithmetic number, because the mean of its divisors is an integer number (161863717140).

Almost surely, 2^{4004043342040} is an apocalyptic number.

4004043342040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4004043342040 is an abundant number, since it is smaller than the sum of its proper divisors (6355234554920).

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

4004043342040 is a wasteful number, since it uses less digits than its factorization.

4004043342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87731192 (or 87731188 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 4004043342040 its reverse (402433404004), we get a palindrome (4406476746044).

The spelling of 4004043342040 in words is "four trillion, four billion, forty-three million, three hundred forty-two thousand, forty".