49999500405 has 24 divisors (see below), whose sum is σ = 86688287712. Its totient is φ = 26659481184.

The previous prime is 49999500403. The next prime is 49999500431. The reversal of 49999500405 is 50400599994.

49999500405 is a `hidden beast` number, since 4 + 9 + 9 + 99 + 500 + 40 + 5 = 666.

It is not a de Polignac number, because 49999500405 - 2¹ = 49999500403 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999500403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33622 + ... + 318008.

It is an arithmetic number, because the mean of its divisors is an integer number (3612011988).

Almost surely, 2^49999500405 is an apocalyptic number.

49999500405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49999500405 is a deficient number, since it is larger than the sum of its proper divisors (36688787307).

49999500405 is a wasteful number, since it uses less digits than its factorization.

49999500405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288305 (or 288302 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 49999500405 in words is "forty-nine billion, nine hundred ninety-nine million, five hundred thousand, four hundred five".