49409144 has 16 divisors (see below), whose sum is σ = 94390920. Its totient is φ = 24238240.

The previous prime is 49409131. The next prime is 49409147. The reversal of 49409144 is 44190494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49409147) 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, 57842 + ... + 58689.

Almost surely, 2^49409144 is an apocalyptic number.

It is an amenable number.

49409144 is a deficient number, since it is larger than the sum of its proper divisors (44981776).

49409144 is a wasteful number, since it uses less digits than its factorization.

49409144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116590 (or 116586 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 49409144 is about 7029.1638194027. The cubic root of 49409144 is about 366.9462411388.

The spelling of 49409144 in words is "forty-nine million, four hundred nine thousand, one hundred forty-four".