49667758443540 has 288 divisors, whose sum is σ = 172785397142400. Its totient is φ = 11809546813440.

The previous prime is 49667758443539. The next prime is 49667758443581. The reversal of 49667758443540 is 4534485776694.

49667758443540 is a `hidden beast` number, since 4 + 9 + 6 + 6 + 7 + 7 + 584 + 4 + 35 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5410141 + ... + 11340420.

Almost surely, 2^{49667758443540} is an apocalyptic number.

It is an amenable number.

49667758443540 is an abundant number, since it is smaller than the sum of its proper divisors (123117638698860).

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

49667758443540 is a wasteful number, since it uses less digits than its factorization.

49667758443540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16750632 (or 16750607 counting only the distinct ones).

The product of its (nonzero) digits is 2438553600, while the sum is 72.

The spelling of 49667758443540 in words is "forty-nine trillion, six hundred sixty-seven billion, seven hundred fifty-eight million, four hundred forty-three thousand, five hundred forty".