38840042004 has 24 divisors (see below), whose sum is σ = 91005962880. Its totient is φ = 12892509504.

The previous prime is 38840041957. The next prime is 38840042051. The reversal of 38840042004 is 40024004883.

It is an interprime number because it is at equal distance from previous prime (38840041957) and next prime (38840042051).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6768409 + ... + 6774144.

It is an arithmetic number, because the mean of its divisors is an integer number (3791915120).

Almost surely, 2^38840042004 is an apocalyptic number.

It is an amenable number.

38840042004 is an abundant number, since it is smaller than the sum of its proper divisors (52165920876).

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

38840042004 is a wasteful number, since it uses less digits than its factorization.

38840042004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13542799 (or 13542797 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 38840042004 its reverse (40024004883), we get a palindrome (78864046887).

The spelling of 38840042004 in words is "thirty-eight billion, eight hundred forty million, forty-two thousand, four".