49297240 has 16 divisors (see below), whose sum is σ = 110918880. Its totient is φ = 19718880.

The previous prime is 49297201. The next prime is 49297247. The reversal of 49297240 is 4279294.

49297240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 49297240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49297247) 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 3 ways as a sum of consecutive naturals, for example, 616176 + ... + 616255.

It is an arithmetic number, because the mean of its divisors is an integer number (6932430).

Almost surely, 2^49297240 is an apocalyptic number.

49297240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49297240 is an abundant number, since it is smaller than the sum of its proper divisors (61621640).

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

49297240 is a wasteful number, since it uses less digits than its factorization.

49297240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232442 (or 1232438 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 49297240 is about 7021.1993277502. The cubic root of 49297240 is about 366.6690064130.

The spelling of 49297240 in words is "forty-nine million, two hundred ninety-seven thousand, two hundred forty".