49157378 has 16 divisors (see below), whose sum is σ = 76680000. Its totient is φ = 23606352.

The previous prime is 49157327. The next prime is 49157419. The reversal of 49157378 is 87375194.

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, 9413 + ... + 13671.

It is an arithmetic number, because the mean of its divisors is an integer number (4792500).

Almost surely, 2^49157378 is an apocalyptic number.

49157378 is a deficient number, since it is larger than the sum of its proper divisors (27522622).

49157378 is a wasteful number, since it uses less digits than its factorization.

49157378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489.

The product of its digits is 211680, while the sum is 44.

The square root of 49157378 is about 7011.2322740015. The cubic root of 49157378 is about 366.3219170977.

The spelling of 49157378 in words is "forty-nine million, one hundred fifty-seven thousand, three hundred seventy-eight".