49211280 has 80 divisors (see below), whose sum is σ = 169512960. Its totient is φ = 13122432.

The previous prime is 49211269. The next prime is 49211293. The reversal of 49211280 is 8211294.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 9232 + ... + 13551.

It is an arithmetic number, because the mean of its divisors is an integer number (2118912).

Almost surely, 2^49211280 is an apocalyptic number.

49211280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49211280 is an abundant number, since it is smaller than the sum of its proper divisors (120301680).

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

49211280 is a wasteful number, since it uses less digits than its factorization.

49211280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22805 (or 22793 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 49211280 is about 7015.0751956055. The cubic root of 49211280 is about 366.4557611721.

The spelling of 49211280 in words is "forty-nine million, two hundred eleven thousand, two hundred eighty".