4419621504 has 96 divisors (see below), whose sum is σ = 12879172800. Its totient is φ = 1454529024.

The previous prime is 4419621491. The next prime is 4419621533. The reversal of 4419621504 is 4051269144.

4419621504 is a `hidden beast` number, since 4 + 41 + 96 + 21 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66727 + ... + 115289.

It is an arithmetic number, because the mean of its divisors is an integer number (134158050).

Almost surely, 2^4419621504 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 4419621504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6439586400).

4419621504 is an abundant number, since it is smaller than the sum of its proper divisors (8459551296).

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

4419621504 is a wasteful number, since it uses less digits than its factorization.

4419621504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48662 (or 48647 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4419621504 is about 66480.2339346065. The cubic root of 4419621504 is about 1641.0747347671.

The spelling of 4419621504 in words is "four billion, four hundred nineteen million, six hundred twenty-one thousand, five hundred four".