49457408 has 144 divisors (see below), whose sum is σ = 133236096. Its totient is φ = 17694720.

The previous prime is 49457371. The next prime is 49457423. The reversal of 49457408 is 80475494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256160 + ... + 256352.

Almost surely, 2^49457408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49457408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66618048).

49457408 is an abundant number, since it is smaller than the sum of its proper divisors (83778688).

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

49457408 is a wasteful number, since it uses less digits than its factorization.

49457408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 49457408 is about 7032.5961067020. The cubic root of 49457408 is about 367.0656827946.

The spelling of 49457408 in words is "forty-nine million, four hundred fifty-seven thousand, four hundred eight".