49418864 has 80 divisors (see below), whose sum is σ = 112492800. Its totient is φ = 20782080.

The previous prime is 49418851. The next prime is 49418879. The reversal of 49418864 is 46881494.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248237 + ... + 248435.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^49418864 is an apocalyptic number.

49418864 is a gapful number since it is divisible by the number (44) 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 49418864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56246400).

49418864 is an abundant number, since it is smaller than the sum of its proper divisors (63073936).

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

49418864 is a wasteful number, since it uses less digits than its factorization.

49418864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 312 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 49418864 is about 7029.8551905427. The cubic root of 49418864 is about 366.9703020266.

The spelling of 49418864 in words is "forty-nine million, four hundred eighteen thousand, eight hundred sixty-four".