49086648438 has 64 divisors (see below), whose sum is σ = 105757650432. Its totient is φ = 15148615680.

The previous prime is 49086648397. The next prime is 49086648439. The reversal of 49086648438 is 83484668094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49086648439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 960553 + ... + 1010363.

It is an arithmetic number, because the mean of its divisors is an integer number (1652463288).

Almost surely, 2^49086648438 is an apocalyptic number.

49086648438 is an abundant number, since it is smaller than the sum of its proper divisors (56671001994).

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

49086648438 is a wasteful number, since it uses less digits than its factorization.

49086648438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50069.

The product of its (nonzero) digits is 31850496, while the sum is 60.

The spelling of 49086648438 in words is "forty-nine billion, eighty-six million, six hundred forty-eight thousand, four hundred thirty-eight".