49401216 has 192 divisors, whose sum is σ = 156202800. Its totient is φ = 14929920.

The previous prime is 49401203. The next prime is 49401223. The reversal of 49401216 is 61210494.

49401216 is a `hidden beast` number, since 49 + 401 + 216 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 49401216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 809826 + ... + 809886.

Almost surely, 2^49401216 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 49401216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78101400).

49401216 is an abundant number, since it is smaller than the sum of its proper divisors (106801584).

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

49401216 is a wasteful number, since it uses less digits than its factorization.

49401216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 49401216 is about 7028.5998605697. The cubic root of 49401216 is about 366.9266138312.

The spelling of 49401216 in words is "forty-nine million, four hundred one thousand, two hundred sixteen".