38440404484 has 12 divisors (see below), whose sum is σ = 67272560208. Its totient is φ = 19219673000.

The previous prime is 38440404479. The next prime is 38440404559. The reversal of 38440404484 is 48440404483.

It is a self number, because there is not a number n which added to its sum of digits gives 38440404484.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63219 + ... + 284389.

It is an arithmetic number, because the mean of its divisors is an integer number (5606046684).

Almost surely, 2^38440404484 is an apocalyptic number.

It is an amenable number.

38440404484 is a deficient number, since it is larger than the sum of its proper divisors (28832155724).

38440404484 is a wasteful number, since it uses less digits than its factorization.

38440404484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264626 (or 264624 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 43.

Subtracting 38440404484 from its reverse (48440404483), we obtain a palindrome (9999999999).

The spelling of 38440404484 in words is "thirty-eight billion, four hundred forty million, four hundred four thousand, four hundred eighty-four".