40048161 has 8 divisors (see below), whose sum is σ = 53465280. Its totient is φ = 26664912.

The previous prime is 40048157. The next prime is 40048163. The reversal of 40048161 is 16184004.

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

It is not a de Polignac number, because 40048161 - 2² = 40048157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40048163) 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, 5565 + ... + 10538.

It is an arithmetic number, because the mean of its divisors is an integer number (6683160).

Almost surely, 2^40048161 is an apocalyptic number.

It is an amenable number.

40048161 is a deficient number, since it is larger than the sum of its proper divisors (13417119).

40048161 is a wasteful number, since it uses less digits than its factorization.

40048161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16935.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 40048161 is about 6328.3616363163. The cubic root of 40048161 is about 342.1323912045.

The spelling of 40048161 in words is "forty million, forty-eight thousand, one hundred sixty-one".