49447157806 has 8 divisors (see below), whose sum is σ = 74331629064. Its totient is φ = 24669948120.

The previous prime is 49447157801. The next prime is 49447157819. The reversal of 49447157806 is 60875174494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49447157801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26814240 + ... + 26816083.

It is an arithmetic number, because the mean of its divisors is an integer number (9291453633).

Almost surely, 2^49447157806 is an apocalyptic number.

49447157806 is a deficient number, since it is larger than the sum of its proper divisors (24884471258).

49447157806 is a wasteful number, since it uses less digits than its factorization.

49447157806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53630786.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 49447157806 in words is "forty-nine billion, four hundred forty-seven million, one hundred fifty-seven thousand, eight hundred six".