4002938381 has 8 divisors (see below), whose sum is σ = 4315622304. Its totient is φ = 3690935280.

The previous prime is 4002938341. The next prime is 4002938389. The reversal of 4002938381 is 1838392004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4002938381 - 2¹⁰ = 4002937357 is a prime.

It is a super-2 number, since 2×4002938381² = 32047031364165802322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002938389) 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, 157955 + ... + 181536.

It is an arithmetic number, because the mean of its divisors is an integer number (539452788).

Almost surely, 2^4002938381 is an apocalyptic number.

It is an amenable number.

4002938381 is a deficient number, since it is larger than the sum of its proper divisors (312683923).

4002938381 is a wasteful number, since it uses less digits than its factorization.

4002938381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340411.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4002938381 is about 63268.7788802661. The cubic root of 4002938381 is about 1587.7896559191.

The spelling of 4002938381 in words is "four billion, two million, nine hundred thirty-eight thousand, three hundred eighty-one".