4005207913838 has 8 divisors (see below), whose sum is σ = 6010602314688. Its totient is φ = 2001673808944.

The previous prime is 4005207913831. The next prime is 4005207913843. The reversal of 4005207913838 is 8383197025004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005207913831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465068606 + ... + 465077217.

It is an arithmetic number, because the mean of its divisors is an integer number (751325289336).

Almost surely, 2^{4005207913838} is an apocalyptic number.

4005207913838 is a deficient number, since it is larger than the sum of its proper divisors (2005394400850).

4005207913838 is a wasteful number, since it uses less digits than its factorization.

4005207913838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930147978.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 4005207913838 in words is "four trillion, five billion, two hundred seven million, nine hundred thirteen thousand, eight hundred thirty-eight".