49278412 has 12 divisors (see below), whose sum is σ = 86520280. Its totient is φ = 24558336.

The previous prime is 49278409. The next prime is 49278421. The reversal of 49278412 is 21487294.

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, 18837 + ... + 21292.

Almost surely, 2^49278412 is an apocalyptic number.

It is an amenable number.

49278412 is a deficient number, since it is larger than the sum of its proper divisors (37241868).

49278412 is a wasteful number, since it uses less digits than its factorization.

49278412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40440 (or 40438 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 49278412 is about 7019.8584031304. The cubic root of 49278412 is about 366.6223200729.

The spelling of 49278412 in words is "forty-nine million, two hundred seventy-eight thousand, four hundred twelve".