1400341025440 has 192 divisors, whose sum is σ = 3840383232000. Its totient is φ = 472577504256.

The previous prime is 1400341025383. The next prime is 1400341025521. The reversal of 1400341025440 is 445201430041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1400341025399 and 1400341025408.

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, 104974291 + ... + 104987629.

It is an arithmetic number, because the mean of its divisors is an integer number (20001996000).

Almost surely, 2^{1400341025440} is an apocalyptic number.

1400341025440 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 1400341025440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1920191616000).

1400341025440 is an abundant number, since it is smaller than the sum of its proper divisors (2440042206560).

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

1400341025440 is a wasteful number, since it uses less digits than its factorization.

1400341025440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14827 (or 14819 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1400341025440 its reverse (445201430041), we get a palindrome (1845542455481).

The spelling of 1400341025440 in words is "one trillion, four hundred billion, three hundred forty-one million, twenty-five thousand, four hundred forty".