1440396380160 has 1152 divisors, whose sum is σ = 5439925370880. Its totient is φ = 365086310400.

The previous prime is 1440396380147. The next prime is 1440396380177. The reversal of 1440396380160 is 610836930441.

1440396380160 is a `hidden beast` number, since 1 + 4 + 4 + 0 + 3 + 9 + 638 + 0 + 1 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

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

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, 5476792189 + ... + 5476792451.

It is an arithmetic number, because the mean of its divisors is an integer number (4722157440).

Almost surely, 2^{1440396380160} is an apocalyptic number.

1440396380160 is a gapful number since it is divisible by the number (10) 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 1440396380160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2719962685440).

1440396380160 is an abundant number, since it is smaller than the sum of its proper divisors (3999528990720).

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

1440396380160 is an equidigital number, since it uses as much as digits as its factorization.

1440396380160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 1440396380160 in words is "one trillion, four hundred forty billion, three hundred ninety-six million, three hundred eighty thousand, one hundred sixty".