49405770 has 24 divisors (see below), whose sum is σ = 128455236. Its totient is φ = 13174848.

The previous prime is 49405751. The next prime is 49405777. The reversal of 49405770 is 7750494.

It is a happy number.

49405770 is a `hidden beast` number, since 49 + 40 + 577 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47900241 + 1505529 = 6921^2 + 1227^2 .

It is not an unprimeable number, because it can be changed into a prime (49405777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274387 + ... + 274566.

Almost surely, 2^49405770 is an apocalyptic number.

49405770 is an abundant number, since it is smaller than the sum of its proper divisors (79049466).

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

49405770 is a wasteful number, since it uses less digits than its factorization.

49405770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548966 (or 548963 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 49405770 is about 7028.9238152081. The cubic root of 49405770 is about 366.9378884015.

The spelling of 49405770 in words is "forty-nine million, four hundred five thousand, seven hundred seventy".