49038987017664 has 112 divisors (see below), whose sum is σ = 164760617798400. Its totient is φ = 14011139144448.

The previous prime is 49038987017569. The next prime is 49038987017707. The reversal of 49038987017664 is 46671078983094.

49038987017664 is a `hidden beast` number, since 4 + 9 + 0 + 389 + 8 + 70 + 176 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 49038987017592 and 49038987017601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2027062434 + ... + 2027086625.

Almost surely, 2^{49038987017664} is an apocalyptic number.

It is an amenable number.

49038987017664 is an abundant number, since it is smaller than the sum of its proper divisors (115721630780736).

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

49038987017664 is a wasteful number, since it uses less digits than its factorization.

49038987017664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054149087 (or 4054149071 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 49038987017664 in words is "forty-nine trillion, thirty-eight billion, nine hundred eighty-seven million, seventeen thousand, six hundred sixty-four".