49740540 has 48 divisors (see below), whose sum is σ = 141644160. Its totient is φ = 13038400.

The previous prime is 49740529. The next prime is 49740547. The reversal of 49740540 is 4504794.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49740547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3486 + ... + 10565.

It is an arithmetic number, because the mean of its divisors is an integer number (2950920).

Almost surely, 2^49740540 is an apocalyptic number.

It is an amenable number.

49740540 is an abundant number, since it is smaller than the sum of its proper divisors (91903620).

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

49740540 is a wasteful number, since it uses less digits than its factorization.

49740540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14122 (or 14120 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 49740540 is about 7052.6973563311. The cubic root of 49740540 is about 367.7648052130.

The spelling of 49740540 in words is "forty-nine million, seven hundred forty thousand, five hundred forty".