4397118949440 has 672 divisors, whose sum is σ = 18218398798080. Its totient is φ = 952082546688.

The previous prime is 4397118949429. The next prime is 4397118949481. The reversal of 4397118949440 is 449498117934.

4397118949440 is a `hidden beast` number, since 4 + 3 + 9 + 7 + 1 + 189 + 4 + 9 + 440 = 666.

4397118949440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30914967 + ... + 31056873.

Almost surely, 2^{4397118949440} is an apocalyptic number.

4397118949440 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 4397118949440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9109199399040).

4397118949440 is an abundant number, since it is smaller than the sum of its proper divisors (13821279848640).

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

4397118949440 is a wasteful number, since it uses less digits than its factorization.

4397118949440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142019 (or 142006 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 4397118949440 in words is "four trillion, three hundred ninety-seven billion, one hundred eighteen million, nine hundred forty-nine thousand, four hundred forty".