49450215178 has 32 divisors (see below), whose sum is σ = 91440397440. Its totient is φ = 19531074240.

The previous prime is 49450215173. The next prime is 49450215187. The reversal of 49450215178 is 87151205494.

49450215178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49450215173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106813 + ... + 332128.

It is an arithmetic number, because the mean of its divisors is an integer number (2857512420).

Almost surely, 2^49450215178 is an apocalyptic number.

49450215178 is a deficient number, since it is larger than the sum of its proper divisors (41990182262).

49450215178 is a wasteful number, since it uses less digits than its factorization.

49450215178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439582.

The product of its (nonzero) digits is 403200, while the sum is 46.

It can be divided in two parts, 49450 and 215178, that added together give a triangular number (264628 = T₇₂₇).

The spelling of 49450215178 in words is "forty-nine billion, four hundred fifty million, two hundred fifteen thousand, one hundred seventy-eight".