49208240 has 20 divisors (see below), whose sum is σ = 114409344. Its totient is φ = 19683264.

The previous prime is 49208213. The next prime is 49208249. The reversal of 49208240 is 4280294.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49208249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307472 + ... + 307631.

Almost surely, 2^49208240 is an apocalyptic number.

49208240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49208240 is an abundant number, since it is smaller than the sum of its proper divisors (65201104).

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

49208240 is a wasteful number, since it uses less digits than its factorization.

49208240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615116 (or 615110 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 49208240 is about 7014.8585160358. The cubic root of 49208240 is about 366.4482151484.

The spelling of 49208240 in words is "forty-nine million, two hundred eight thousand, two hundred forty".