49806187258 has 32 divisors (see below), whose sum is σ = 75538189440. Its totient is φ = 24628961280.

The previous prime is 49806187183. The next prime is 49806187259. The reversal of 49806187258 is 85278160894.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49806187259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60517435 + ... + 60518257.

It is an arithmetic number, because the mean of its divisors is an integer number (2360568420).

Almost surely, 2^49806187258 is an apocalyptic number.

49806187258 is a deficient number, since it is larger than the sum of its proper divisors (25732002182).

49806187258 is a wasteful number, since it uses less digits than its factorization.

49806187258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 49806187258 in words is "forty-nine billion, eight hundred six million, one hundred eighty-seven thousand, two hundred fifty-eight".