49215680 has 112 divisors (see below), whose sum is σ = 126735840. Its totient is φ = 18137088.

The previous prime is 49215679. The next prime is 49215689. The reversal of 49215680 is 8651294.

It is a self number, because there is not a number n which added to its sum of digits gives 49215680.

It is not an unprimeable number, because it can be changed into a prime (49215689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451466 + ... + 451574.

It is an arithmetic number, because the mean of its divisors is an integer number (1131570).

Almost surely, 2^49215680 is an apocalyptic number.

49215680 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 49215680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63367920).

49215680 is an abundant number, since it is smaller than the sum of its proper divisors (77520160).

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

49215680 is a wasteful number, since it uses less digits than its factorization.

49215680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 49215680 is about 7015.3887989191. The cubic root of 49215680 is about 366.4666824981.

It can be divided in two parts, 4921 and 5680, that added together give a palindrome (10601).

The spelling of 49215680 in words is "forty-nine million, two hundred fifteen thousand, six hundred eighty".