49640580 has 192 divisors, whose sum is σ = 172488960. Its totient is φ = 11750400.

The previous prime is 49640543. The next prime is 49640581. The reversal of 49640580 is 8504694.

49640580 is a `hidden beast` number, since 4 + 9 + 640 + 5 + 8 + 0 = 666.

49640580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49640581) 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 63 ways as a sum of consecutive naturals, for example, 362272 + ... + 362408.

It is an arithmetic number, because the mean of its divisors is an integer number (898380).

Almost surely, 2^49640580 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 49640580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86244480).

49640580 is an abundant number, since it is smaller than the sum of its proper divisors (122848380).

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

49640580 is a wasteful number, since it uses less digits than its factorization.

49640580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 49640580 is about 7045.6071420425. The cubic root of 49640580 is about 367.5182831387.

The spelling of 49640580 in words is "forty-nine million, six hundred forty thousand, five hundred eighty".