49140736 has 44 divisors (see below), whose sum is σ = 100966228. Its totient is φ = 23887872.

The previous prime is 49140697. The next prime is 49140743. The reversal of 49140736 is 63704194.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47334400 + 1806336 = 6880^2 + 1344^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37240 + ... + 38536.

It is an arithmetic number, because the mean of its divisors is an integer number (2294687).

Almost surely, 2^49140736 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 49140736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50483114).

49140736 is an abundant number, since it is smaller than the sum of its proper divisors (51825492).

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

49140736 is a wasteful number, since it uses less digits than its factorization.

49140736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 49140736 is about 7010.0453636193. The cubic root of 49140736 is about 366.2805735756.

The spelling of 49140736 in words is "forty-nine million, one hundred forty thousand, seven hundred thirty-six".