49208940 has 144 divisors (see below), whose sum is σ = 168648480. Its totient is φ = 11504640.

The previous prime is 49208923. The next prime is 49208941. The reversal of 49208940 is 4980294.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 49208895 and 49208904.

It is not an unprimeable number, because it can be changed into a prime (49208941) 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 47 ways as a sum of consecutive naturals, for example, 56992 + ... + 57848.

It is an arithmetic number, because the mean of its divisors is an integer number (1171170).

Almost surely, 2^49208940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49208940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84324240).

49208940 is an abundant number, since it is smaller than the sum of its proper divisors (119439540).

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

49208940 is a wasteful number, since it uses less digits than its factorization.

49208940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 49208940 is about 7014.9084099509. The cubic root of 49208940 is about 366.4499527472.

The spelling of 49208940 in words is "forty-nine million, two hundred eight thousand, nine hundred forty".