49277340 has 216 divisors, whose sum is σ = 179760672. Its totient is φ = 10886400.

The previous prime is 49277329. The next prime is 49277341. The reversal of 49277340 is 4377294.

49277340 is a `hidden beast` number, since 49 + 277 + 340 = 666.

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 = 49277295 and 49277304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49277341) 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 71 ways as a sum of consecutive naturals, for example, 326265 + ... + 326415.

Almost surely, 2^49277340 is an apocalyptic number.

49277340 is the 4440-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49277340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89880336).

49277340 is an abundant number, since it is smaller than the sum of its proper divisors (130483332).

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

49277340 is a wasteful number, since it uses less digits than its factorization.

49277340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 49277340 is about 7019.7820478986. The cubic root of 49277340 is about 366.6196615593.

The spelling of 49277340 in words is "forty-nine million, two hundred seventy-seven thousand, three hundred forty".