49454478557636 has 48 divisors (see below), whose sum is σ = 89432473818240. Its totient is φ = 23915708893440.

The previous prime is 49454478557593. The next prime is 49454478557641. The reversal of 49454478557636 is 63675587445494.

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, 111419195 + ... + 111862173.

It is an arithmetic number, because the mean of its divisors is an integer number (1863176537880).

Almost surely, 2^{49454478557636} is an apocalyptic number.

It is an amenable number.

49454478557636 is a deficient number, since it is larger than the sum of its proper divisors (39977995260604).

49454478557636 is a wasteful number, since it uses less digits than its factorization.

49454478557636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450524 (or 450522 counting only the distinct ones).

The product of its digits is 12192768000, while the sum is 77.

The spelling of 49454478557636 in words is "forty-nine trillion, four hundred fifty-four billion, four hundred seventy-eight million, five hundred fifty-seven thousand, six hundred thirty-six".