49942494 has 40 divisors (see below), whose sum is σ = 127897968. Its totient is φ = 14268960.

The previous prime is 49942493. The next prime is 49942513. The reversal of 49942494 is 49424994.

49942494 = 3532² + 3533² + ... + 3535².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49942493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20887 + ... + 23154.

Almost surely, 2^49942494 is an apocalyptic number.

49942494 is an abundant number, since it is smaller than the sum of its proper divisors (77955474).

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

49942494 is a wasteful number, since it uses less digits than its factorization.

49942494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44062 (or 44053 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 49942494 is about 7067.0003537569. Note that the first 3 decimals coincide. The cubic root of 49942494 is about 368.2618597397.

The spelling of 49942494 in words is "forty-nine million, nine hundred forty-two thousand, four hundred ninety-four".