49040879 has 4 divisors (see below), whose sum is σ = 50237040. Its totient is φ = 47844720.

The previous prime is 49040863. The next prime is 49040891. The reversal of 49040879 is 97804094.

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

It is a cyclic number.

It is not a de Polignac number, because 49040879 - 2⁴ = 49040863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1196119 = 49040879 / (4 + 9 + 0 + 4 + 0 + 8 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49040839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598019 + ... + 598100.

It is an arithmetic number, because the mean of its divisors is an integer number (12559260).

Almost surely, 2^49040879 is an apocalyptic number.

49040879 is a deficient number, since it is larger than the sum of its proper divisors (1196161).

49040879 is a wasteful number, since it uses less digits than its factorization.

49040879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196160.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 49040879 is about 7002.9193198266. The cubic root of 49040879 is about 366.0323037768.

The spelling of 49040879 in words is "forty-nine million, forty thousand, eight hundred seventy-nine".