49218000 has 160 divisors (see below), whose sum is σ = 171155712. Its totient is φ = 12096000.

The previous prime is 49217989. The next prime is 49218041. The reversal of 49218000 is 81294.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77685 + ... + 78315.

Almost surely, 2^49218000 is an apocalyptic number.

49218000 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 49218000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85577856).

49218000 is an abundant number, since it is smaller than the sum of its proper divisors (121937712).

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

49218000 is a wasteful number, since it uses less digits than its factorization.

49218000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 49218000 is about 7015.5541477491. The cubic root of 49218000 is about 366.4724407533.

Adding to 49218000 its reverse (81294), we get a palindrome (49299294).

It can be divided in two parts, 4921 and 8000, that added together give a palindrome (12921).

The spelling of 49218000 in words is "forty-nine million, two hundred eighteen thousand".