1440400341433 has 8 divisors (see below), whose sum is σ = 1574327508480. Its totient is φ = 1311939589440.

The previous prime is 1440400341427. The next prime is 1440400341451. The reversal of 1440400341433 is 3341430040441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1440400341433 - 2²¹ = 1440398244281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1440400341395 and 1440400341404.

It is not an unprimeable number, because it can be changed into a prime (1440400348433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366603213 + ... + 1366604266.

It is an arithmetic number, because the mean of its divisors is an integer number (196790938560).

Almost surely, 2^{1440400341433} is an apocalyptic number.

It is an amenable number.

1440400341433 is a deficient number, since it is larger than the sum of its proper divisors (133927167047).

1440400341433 is a wasteful number, since it uses less digits than its factorization.

1440400341433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733207527.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1440400341433 its reverse (3341430040441), we get a palindrome (4781830381874).

The spelling of 1440400341433 in words is "one trillion, four hundred forty billion, four hundred million, three hundred forty-one thousand, four hundred thirty-three".