38894229710540 has 12 divisors (see below), whose sum is σ = 81677882392176. Its totient is φ = 15557691884208.

The previous prime is 38894229710461. The next prime is 38894229710549. The reversal of 38894229710540 is 4501792249883.

It is a super-2 number, since 2×38894229710540² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38894229710549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972355742744 + ... + 972355742783.

It is an arithmetic number, because the mean of its divisors is an integer number (6806490199348).

Almost surely, 2^{38894229710540} is an apocalyptic number.

It is an amenable number.

38894229710540 is an abundant number, since it is smaller than the sum of its proper divisors (42783652681636).

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

38894229710540 is a wasteful number, since it uses less digits than its factorization.

38894229710540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944711485536 (or 1944711485534 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 38894229710540 in words is "thirty-eight trillion, eight hundred ninety-four billion, two hundred twenty-nine million, seven hundred ten thousand, five hundred forty".