49680405 has 32 divisors (see below), whose sum is σ = 88761600. Its totient is φ = 26364096.

The previous prime is 49680403. The next prime is 49680427. The reversal of 49680405 is 50408694.

It is not a de Polignac number, because 49680405 - 2¹ = 49680403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49680405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49680401) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30112 + ... + 31718.

It is an arithmetic number, because the mean of its divisors is an integer number (2773800).

Almost surely, 2^49680405 is an apocalyptic number.

49680405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49680405 is a deficient number, since it is larger than the sum of its proper divisors (39081195).

49680405 is a wasteful number, since it uses less digits than its factorization.

49680405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 1844 counting only the distinct ones).

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

The square root of 49680405 is about 7048.4328045318. The cubic root of 49680405 is about 367.6165394663.

The spelling of 49680405 in words is "forty-nine million, six hundred eighty thousand, four hundred five".