50405747679240 has 32 divisors (see below), whose sum is σ = 151217243038080. Its totient is φ = 13441532714432.

The previous prime is 50405747679173. The next prime is 50405747679241. The reversal of 50405747679240 is 4297674750405.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (50405747679241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210023948544 + ... + 210023948783.

It is an arithmetic number, because the mean of its divisors is an integer number (4725538844940).

Almost surely, 2^{50405747679240} is an apocalyptic number.

It is an amenable number.

50405747679240 is an abundant number, since it is smaller than the sum of its proper divisors (100811495358840).

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

50405747679240 is a wasteful number, since it uses less digits than its factorization.

50405747679240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420047897341 (or 420047897337 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 60.

The spelling of 50405747679240 in words is "fifty trillion, four hundred five billion, seven hundred forty-seven million, six hundred seventy-nine thousand, two hundred forty".