38040299243 has 8 divisors (see below), whose sum is σ = 39486550080. Its totient is φ = 36620585280.

The previous prime is 38040299183. The next prime is 38040299261. The reversal of 38040299243 is 34299204083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38040299243 - 2⁸ = 38040298987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38040299194 and 38040299203.

It is not an unprimeable number, because it can be changed into a prime (38040299443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6631298 + ... + 6637031.

It is an arithmetic number, because the mean of its divisors is an integer number (4935818760).

Almost surely, 2^38040299243 is an apocalyptic number.

38040299243 is a deficient number, since it is larger than the sum of its proper divisors (1446250837).

38040299243 is a wasteful number, since it uses less digits than its factorization.

38040299243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13268437.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 38040299243 in words is "thirty-eight billion, forty million, two hundred ninety-nine thousand, two hundred forty-three".