49180779290 has 64 divisors (see below), whose sum is σ = 90744192000. Its totient is φ = 19186502400.

The previous prime is 49180779269. The next prime is 49180779293. The reversal of 49180779290 is 9297708194.

It is not an unprimeable number, because it can be changed into a prime (49180779293) 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 31 ways as a sum of consecutive naturals, for example, 37801640 + ... + 37802940.

It is an arithmetic number, because the mean of its divisors is an integer number (1417878000).

Almost surely, 2^49180779290 is an apocalyptic number.

49180779290 is a deficient number, since it is larger than the sum of its proper divisors (41563412710).

49180779290 is a wasteful number, since it uses less digits than its factorization.

49180779290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 49180779290 in words is "forty-nine billion, one hundred eighty million, seven hundred seventy-nine thousand, two hundred ninety".