38339787405 has 16 divisors (see below), whose sum is σ = 62349295104. Its totient is φ = 20112674880.

The previous prime is 38339787401. The next prime is 38339787439. The reversal of 38339787405 is 50478793383.

It is not a de Polignac number, because 38339787405 - 2² = 38339787401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38339787401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20949789 + ... + 20951618.

It is an arithmetic number, because the mean of its divisors is an integer number (3896830944).

Almost surely, 2^38339787405 is an apocalyptic number.

It is an amenable number.

38339787405 is a deficient number, since it is larger than the sum of its proper divisors (24009507699).

38339787405 is a wasteful number, since it uses less digits than its factorization.

38339787405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41901476.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 38339787405 in words is "thirty-eight billion, three hundred thirty-nine million, seven hundred eighty-seven thousand, four hundred five".