4002155115344 has 20 divisors (see below), whose sum is σ = 7766160371424. Its totient is φ = 1997984696928.

The previous prime is 4002155115341. The next prime is 4002155115349. The reversal of 4002155115344 is 4435115512004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002155115341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 193293122 + ... + 193313825.

Almost surely, 2^{4002155115344} is an apocalyptic number.

It is an amenable number.

4002155115344 is a deficient number, since it is larger than the sum of its proper divisors (3764005256080).

4002155115344 is a wasteful number, since it uses less digits than its factorization.

4002155115344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386607602 (or 386607596 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 4002155115344 in words is "four trillion, two billion, one hundred fifty-five million, one hundred fifteen thousand, three hundred forty-four".