49218204 has 96 divisors (see below), whose sum is σ = 139087872. Its totient is φ = 13248000.

The previous prime is 49218203. The next prime is 49218233. The reversal of 49218204 is 40281294.

49218204 = T₄₄₉ + T₄₅₀ + ... + T₇₂₇.

49218204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49218203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106534 + ... + 106994.

It is an arithmetic number, because the mean of its divisors is an integer number (1448832).

Almost surely, 2^49218204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49218204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69543936).

49218204 is an abundant number, since it is smaller than the sum of its proper divisors (89869668).

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

49218204 is a wasteful number, since it uses less digits than its factorization.

49218204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 49218204 is about 7015.5686868564. The cubic root of 49218204 is about 366.4729470740.

Adding to 49218204 its reverse (40281294), we get a palindrome (89499498).

The spelling of 49218204 in words is "forty-nine million, two hundred eighteen thousand, two hundred four".