49156489372256 has 576 divisors, whose sum is σ = 125345173524480. Its totient is φ = 18513812029440.

The previous prime is 49156489372201. The next prime is 49156489372259. The reversal of 49156489372256 is 65227398465194.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a self number, because there is not a number n which added to its sum of digits gives 49156489372256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49156489372259) by changing a digit.

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, 12051110825 + ... + 12051114903.

It is an arithmetic number, because the mean of its divisors is an integer number (217613148480).

Almost surely, 2^{49156489372256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49156489372256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62672586762240).

49156489372256 is an abundant number, since it is smaller than the sum of its proper divisors (76188684152224).

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

49156489372256 is a wasteful number, since it uses less digits than its factorization.

49156489372256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295 (or 4258 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 71.

The spelling of 49156489372256 in words is "forty-nine trillion, one hundred fifty-six billion, four hundred eighty-nine million, three hundred seventy-two thousand, two hundred fifty-six".