49220280 has 96 divisors (see below), whose sum is σ = 163425600. Its totient is φ = 12841728.

The previous prime is 49220267. The next prime is 49220291. The reversal of 49220280 is 8202294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15466 + ... + 18374.

It is an arithmetic number, because the mean of its divisors is an integer number (1702350).

Almost surely, 2^49220280 is an apocalyptic number.

49220280 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 49220280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81712800).

49220280 is an abundant number, since it is smaller than the sum of its proper divisors (114205320).

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

49220280 is a wasteful number, since it uses less digits than its factorization.

49220280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 49220280 is about 7015.7166419404. The cubic root of 49220280 is about 366.4780995520.

The spelling of 49220280 in words is "forty-nine million, two hundred twenty thousand, two hundred eighty".