49169040 has 40 divisors (see below), whose sum is σ = 152424768. Its totient is φ = 13111680.

The previous prime is 49169039. The next prime is 49169051. The reversal of 49169040 is 4096194.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 49168992 and 49169010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102196 + ... + 102675.

Almost surely, 2^49169040 is an apocalyptic number.

49169040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49169040 is an abundant number, since it is smaller than the sum of its proper divisors (103255728).

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

49169040 is a wasteful number, since it uses less digits than its factorization.

49169040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204887 (or 204881 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 49169040 is about 7012.0638901824. The cubic root of 49169040 is about 366.3508833051.

The spelling of 49169040 in words is "forty-nine million, one hundred sixty-nine thousand, forty".