49278424 has 32 divisors (see below), whose sum is σ = 102942000. Its totient is φ = 21958272.

The previous prime is 49278421. The next prime is 49278469. The reversal of 49278424 is 42487294.

49278424 is nontrivially palindromic in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49278421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5154 + ... + 11185.

Almost surely, 2^49278424 is an apocalyptic number.

It is an amenable number.

49278424 is an abundant number, since it is smaller than the sum of its proper divisors (53663576).

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

49278424 is a wasteful number, since it uses less digits than its factorization.

49278424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16387 (or 16383 counting only the distinct ones).

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

The square root of 49278424 is about 7019.8592578484. The cubic root of 49278424 is about 366.6223498321.

It can be divided in two parts, 492784 and 24, that multiplied together give a triangular number (11826816 = T₄₈₆₃).

The spelling of 49278424 in words is "forty-nine million, two hundred seventy-eight thousand, four hundred twenty-four".