49278448 has 10 divisors (see below), whose sum is σ = 95477024. Its totient is φ = 24639216.

The previous prime is 49278421. The next prime is 49278469. The reversal of 49278448 is 84487294.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49278398 and 49278407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1539936 + ... + 1539967.

Almost surely, 2^49278448 is an apocalyptic number.

It is an amenable number.

49278448 is a deficient number, since it is larger than the sum of its proper divisors (46198576).

49278448 is a wasteful number, since it uses less digits than its factorization.

49278448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079911 (or 3079905 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 49278448 is about 7019.8609672842. The cubic root of 49278448 is about 366.6224093507.

The spelling of 49278448 in words is "forty-nine million, two hundred seventy-eight thousand, four hundred forty-eight".