418949616 has 80 divisors (see below), whose sum is σ = 1104929280. Its totient is φ = 136761600.

The previous prime is 418949591. The next prime is 418949617. The reversal of 418949616 is 616949814.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418949617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498925 + ... + 499763.

It is an arithmetic number, because the mean of its divisors is an integer number (13811616).

Almost surely, 2^418949616 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 418949616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552464640).

418949616 is an abundant number, since it is smaller than the sum of its proper divisors (685979664).

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

418949616 is a wasteful number, since it uses less digits than its factorization.

418949616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1048 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 418949616 is about 20468.2587437232. The cubic root of 418949616 is about 748.2624166253.

The spelling of 418949616 in words is "four hundred eighteen million, nine hundred forty-nine thousand, six hundred sixteen".