49217280 has 144 divisors (see below), whose sum is σ = 179741184. Its totient is φ = 11243520.

The previous prime is 49217249. The next prime is 49217291. The reversal of 49217280 is 8271294.

It is a happy number.

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, 25965 + ... + 27795.

Almost surely, 2^49217280 is an apocalyptic number.

49217280 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 49217280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89870592).

49217280 is an abundant number, since it is smaller than the sum of its proper divisors (130523904).

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

49217280 is a wasteful number, since it uses less digits than its factorization.

49217280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 49217280 is about 7015.5028330120. The cubic root of 49217280 is about 366.4706537280.

The spelling of 49217280 in words is "forty-nine million, two hundred seventeen thousand, two hundred eighty".