4399640040000 has 280 divisors, whose sum is σ = 14586018080128. Its totient is φ = 1170028800000.

The previous prime is 4399640039983. The next prime is 4399640040001. The reversal of 4399640040000 is 400469934.

It is not an unprimeable number, because it can be changed into a prime (4399640040001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 43990050 + ... + 44089950.

Almost surely, 2^{4399640040000} is an apocalyptic number.

4399640040000 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 4399640040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7293009040064).

4399640040000 is an abundant number, since it is smaller than the sum of its proper divisors (10186378040128).

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

4399640040000 is an equidigital number, since it uses as much as digits as its factorization.

4399640040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100303 (or 100278 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 4399640040000 in words is "four trillion, three hundred ninety-nine billion, six hundred forty million, forty thousand".