49768140 has 24 divisors (see below), whose sum is σ = 139350960. Its totient is φ = 13271488.

The previous prime is 49768139. The next prime is 49768141. The reversal of 49768140 is 4186794.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49768139) and next prime (49768141).

It is not an unprimeable number, because it can be changed into a prime (49768141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414675 + ... + 414794.

It is an arithmetic number, because the mean of its divisors is an integer number (5806290).

Almost surely, 2^49768140 is an apocalyptic number.

It is an amenable number.

49768140 is an abundant number, since it is smaller than the sum of its proper divisors (89582820).

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

49768140 is a wasteful number, since it uses less digits than its factorization.

49768140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829481 (or 829479 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 49768140 is about 7054.6537831420. The cubic root of 49768140 is about 367.8328143380.

The spelling of 49768140 in words is "forty-nine million, seven hundred sixty-eight thousand, one hundred forty".