49147944 has 64 divisors (see below), whose sum is σ = 127224000. Its totient is φ = 15813120.

The previous prime is 49147939. The next prime is 49147963. The reversal of 49147944 is 44974194.

49147944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49147896 and 49147905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86092 + ... + 86660.

It is an arithmetic number, because the mean of its divisors is an integer number (1987875).

Almost surely, 2^49147944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49147944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63612000).

49147944 is an abundant number, since it is smaller than the sum of its proper divisors (78076056).

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

49147944 is a wasteful number, since it uses less digits than its factorization.

49147944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 694 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 49147944 is about 7010.5594641227. The cubic root of 49147944 is about 366.2984814697.

The spelling of 49147944 in words is "forty-nine million, one hundred forty-seven thousand, nine hundred forty-four".