49520919456 has 72 divisors (see below), whose sum is σ = 146040882624. Its totient is φ = 16506970560.

The previous prime is 49520919451. The next prime is 49520919499. The reversal of 49520919456 is 65491902594.

49520919456 is a `hidden beast` number, since 495 + 20 + 91 + 9 + 45 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (49520919451) 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 11 ways as a sum of consecutive naturals, for example, 3176440 + ... + 3191991.

It is an arithmetic number, because the mean of its divisors is an integer number (2028345592).

Almost surely, 2^49520919456 is an apocalyptic number.

It is an amenable number.

49520919456 is an abundant number, since it is smaller than the sum of its proper divisors (96519963168).

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

49520919456 is an equidigital number, since it uses as much as digits as its factorization.

49520919456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368456 (or 6368436 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 49520919456 in words is "forty-nine billion, five hundred twenty million, nine hundred nineteen thousand, four hundred fifty-six".