4366448640 has 384 divisors, whose sum is σ = 16452072000. Its totient is φ = 1094713344.

The previous prime is 4366448621. The next prime is 4366448651. The reversal of 4366448640 is 468446634.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 4699696 + ... + 4700624.

Almost surely, 2^4366448640 is an apocalyptic number.

4366448640 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 4366448640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8226036000).

4366448640 is an abundant number, since it is smaller than the sum of its proper divisors (12085623360).

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

4366448640 is a wasteful number, since it uses less digits than its factorization.

4366448640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The square root of 4366448640 is about 66079.1089528302. The cubic root of 4366448640 is about 1634.4668575659.

The spelling of 4366448640 in words is "four billion, three hundred sixty-six million, four hundred forty-eight thousand, six hundred forty".