49278244 has 12 divisors (see below), whose sum is σ = 86292864. Its totient is φ = 24623144.

The previous prime is 49278239. The next prime is 49278263. The reversal of 49278244 is 44287294.

It is a junction number, because it is equal to n+sod(n) for n = 49278197 and 49278206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5397 + ... + 11299.

It is an arithmetic number, because the mean of its divisors is an integer number (7191072).

Almost surely, 2^49278244 is an apocalyptic number.

It is an amenable number.

49278244 is a deficient number, since it is larger than the sum of its proper divisors (37014620).

49278244 is a wasteful number, since it uses less digits than its factorization.

49278244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7994 (or 7992 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 49278244 is about 7019.8464370668. The cubic root of 49278244 is about 366.6219034427.

The spelling of 49278244 in words is "forty-nine million, two hundred seventy-eight thousand, two hundred forty-four".