49168040 has 16 divisors (see below), whose sum is σ = 110628180. Its totient is φ = 19667200.

The previous prime is 49168027. The next prime is 49168057. The reversal of 49168040 is 4086194.

It can be written as a sum of positive squares in 2 ways, for example, as 48916036 + 252004 = 6994^2 + 502^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49167988 and 49168006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614561 + ... + 614640.

Almost surely, 2^49168040 is an apocalyptic number.

49168040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49168040 is an abundant number, since it is smaller than the sum of its proper divisors (61460140).

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

49168040 is a wasteful number, since it uses less digits than its factorization.

49168040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229212 (or 1229208 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 49168040 is about 7011.9925841376. The cubic root of 49168040 is about 366.3483996733.

The spelling of 49168040 in words is "forty-nine million, one hundred sixty-eight thousand, forty".