49718142 has 12 divisors (see below), whose sum is σ = 107722680. Its totient is φ = 16572708.

The previous prime is 49718129. The next prime is 49718143. The reversal of 49718142 is 24181794.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 49718097 and 49718106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49718143) 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 5 ways as a sum of consecutive naturals, for example, 1381042 + ... + 1381077.

It is an arithmetic number, because the mean of its divisors is an integer number (8976890).

Almost surely, 2^49718142 is an apocalyptic number.

49718142 is an abundant number, since it is smaller than the sum of its proper divisors (58004538).

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

49718142 is a wasteful number, since it uses less digits than its factorization.

49718142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762127 (or 2762124 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 49718142 is about 7051.1092744333. The cubic root of 49718142 is about 367.7095958351.

The spelling of 49718142 in words is "forty-nine million, seven hundred eighteen thousand, one hundred forty-two".