49038987017568 has 48 divisors (see below), whose sum is σ = 129116245358016. Its totient is φ = 16296944315520.

The previous prime is 49038987017557. The next prime is 49038987017569. The reversal of 49038987017568 is 86571078983094.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 49038987017568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49038987017569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771603846 + ... + 771667397.

It is an arithmetic number, because the mean of its divisors is an integer number (2689921778292).

Almost surely, 2^{49038987017568} is an apocalyptic number.

49038987017568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49038987017568 is an abundant number, since it is smaller than the sum of its proper divisors (80077258340448).

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

49038987017568 is a wasteful number, since it uses less digits than its factorization.

49038987017568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543271587 (or 1543271579 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 75.

The spelling of 49038987017568 in words is "forty-nine trillion, thirty-eight billion, nine hundred eighty-seven million, seventeen thousand, five hundred sixty-eight".