38131828442 has 24 divisors (see below), whose sum is σ = 59159222208. Its totient is φ = 18433131960.

The previous prime is 38131828379. The next prime is 38131828451. The reversal of 38131828442 is 24482813183.

It is a junction number, because it is equal to n+sod(n) for n = 38131828393 and 38131828402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2110973 + ... + 2128959.

It is an arithmetic number, because the mean of its divisors is an integer number (2464967592).

Almost surely, 2^38131828442 is an apocalyptic number.

38131828442 is a deficient number, since it is larger than the sum of its proper divisors (21027393766).

38131828442 is a wasteful number, since it uses less digits than its factorization.

38131828442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19154 (or 19123 counting only the distinct ones).

The product of its digits is 294912, while the sum is 44.

The spelling of 38131828442 in words is "thirty-eight billion, one hundred thirty-one million, eight hundred twenty-eight thousand, four hundred forty-two".