49256442 has 48 divisors (see below), whose sum is σ = 111421440. Its totient is φ = 15706656.

The previous prime is 49256419. The next prime is 49256447. The reversal of 49256442 is 24465294.

49256442 is a `hidden beast` number, since 4 + 9 + 2 + 5 + 644 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 49256397 and 49256406.

It is not an unprimeable number, because it can be changed into a prime (49256447) 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 23 ways as a sum of consecutive naturals, for example, 65923 + ... + 66665.

It is an arithmetic number, because the mean of its divisors is an integer number (2321280).

Almost surely, 2^49256442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49256442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55710720).

49256442 is an abundant number, since it is smaller than the sum of its proper divisors (62164998).

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

49256442 is a wasteful number, since it uses less digits than its factorization.

49256442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 904 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 49256442 is about 7018.2933822974. The cubic root of 49256442 is about 366.5678277211.

The spelling of 49256442 in words is "forty-nine million, two hundred fifty-six thousand, four hundred forty-two".