49940019 has 12 divisors (see below), whose sum is σ = 73359000. Its totient is φ = 32728704.

The previous prime is 49940017. The next prime is 49940027. The reversal of 49940019 is 91004994.

49940019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49940019 - 2¹ = 49940017 is a prime.

It is a super-2 number, since 2×49940019² = 4988010995440722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49940017) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 46494 + ... + 47555.

It is an arithmetic number, because the mean of its divisors is an integer number (6113250).

Almost surely, 2^49940019 is an apocalyptic number.

49940019 is a deficient number, since it is larger than the sum of its proper divisors (23418981).

49940019 is a wasteful number, since it uses less digits than its factorization.

49940019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94114 (or 94111 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 49940019 is about 7066.8252419315. The cubic root of 49940019 is about 368.2557763220.

The spelling of 49940019 in words is "forty-nine million, nine hundred forty thousand, nineteen".