120001405344 has 48 divisors (see below), whose sum is σ = 315114666048. Its totient is φ = 39986376192.

The previous prime is 120001405309. The next prime is 120001405367. The reversal of 120001405344 is 443504100021.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55509 + ... + 493035.

It is an arithmetic number, because the mean of its divisors is an integer number (6564888876).

Almost surely, 2^120001405344 is an apocalyptic number.

It is an amenable number.

120001405344 is an abundant number, since it is smaller than the sum of its proper divisors (195113260704).

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

120001405344 is a wasteful number, since it uses less digits than its factorization.

120001405344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440397 (or 440389 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 120001405344 its reverse (443504100021), we get a palindrome (563505505365).

The spelling of 120001405344 in words is "one hundred twenty billion, one million, four hundred five thousand, three hundred forty-four".