49815408 has 40 divisors (see below), whose sum is σ = 129499648. Its totient is φ = 16500672.

The previous prime is 49815407. The next prime is 49815433. The reversal of 49815408 is 80451894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49815407) 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, 4641 + ... + 11007.

Almost surely, 2^49815408 is an apocalyptic number.

49815408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49815408 is an abundant number, since it is smaller than the sum of its proper divisors (79684240).

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

49815408 is a wasteful number, since it uses less digits than its factorization.

49815408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541 (or 6535 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 49815408 is about 7058.0031170296. The cubic root of 49815408 is about 367.9492289755.

The spelling of 49815408 in words is "forty-nine million, eight hundred fifteen thousand, four hundred eight".