49040249 has 4 divisors (see below), whose sum is σ = 49061364. Its totient is φ = 49019136.

The previous prime is 49040239. The next prime is 49040261. The reversal of 49040249 is 94204094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34140649 + 14899600 = 5843^2 + 3860^2 .

It is a cyclic number.

It is not a de Polignac number, because 49040249 - 2⁸ = 49039993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49040239) 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, 6572 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (12265341).

Almost surely, 2^49040249 is an apocalyptic number.

It is an amenable number.

49040249 is a deficient number, since it is larger than the sum of its proper divisors (21115).

49040249 is a wasteful number, since it uses less digits than its factorization.

49040249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21114.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 49040249 is about 7002.8743384413. The cubic root of 49040249 is about 366.0307363678.

The spelling of 49040249 in words is "forty-nine million, forty thousand, two hundred forty-nine".