49115880 has 192 divisors, whose sum is σ = 177465600. Its totient is φ = 11681280.

The previous prime is 49115863. The next prime is 49115887. The reversal of 49115880 is 8851194.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (49115887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 312762 + ... + 312918.

It is an arithmetic number, because the mean of its divisors is an integer number (924300).

It is a vampire number, since it can be written as 5181 ⋅ 9480 (with its own digits).

Almost surely, 2^49115880 is an apocalyptic number.

49115880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49115880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88732800).

49115880 is an abundant number, since it is smaller than the sum of its proper divisors (128349720).

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

49115880 is a wasteful number, since it uses less digits than its factorization.

49115880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 49115880 is about 7008.2722549855. The cubic root of 49115880 is about 366.2188067257.

The spelling of 49115880 in words is "forty-nine million, one hundred fifteen thousand, eight hundred eighty".