49257378 has 48 divisors (see below), whose sum is σ = 109709496. Its totient is φ = 15966720.

The previous prime is 49257361. The next prime is 49257379. The reversal of 49257378 is 87375294.

49257378 is a `hidden beast` number, since 4 + 9 + 2 + 573 + 78 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17413929 + 31843449 = 4173^2 + 5643^2 .

Its product of digits (423360) is a multiple of the sum of its prime divisors (576).

It is not an unprimeable number, because it can be changed into a prime (49257379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123876 + ... + 124272.

Almost surely, 2^49257378 is an apocalyptic number.

49257378 is an abundant number, since it is smaller than the sum of its proper divisors (60452118).

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

49257378 is a wasteful number, since it uses less digits than its factorization.

49257378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 576 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 49257378 is about 7018.3600648585. The cubic root of 49257378 is about 366.5701496192.

The spelling of 49257378 in words is "forty-nine million, two hundred fifty-seven thousand, three hundred seventy-eight".