38006381544 has 64 divisors (see below), whose sum is σ = 95439267840. Its totient is φ = 12612438720.

The previous prime is 38006381531. The next prime is 38006381561. The reversal of 38006381544 is 44518360083.

It is a junction number, because it is equal to n+sod(n) for n = 38006381496 and 38006381505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10641279 + ... + 10644849.

It is an arithmetic number, because the mean of its divisors is an integer number (1491238560).

Almost surely, 2^38006381544 is an apocalyptic number.

It is an amenable number.

38006381544 is an abundant number, since it is smaller than the sum of its proper divisors (57432886296).

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

38006381544 is a wasteful number, since it uses less digits than its factorization.

38006381544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430 (or 5426 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 38006381544 in words is "thirty-eight billion, six million, three hundred eighty-one thousand, five hundred forty-four".