1440400341430 has 8 divisors (see below), whose sum is σ = 2592720614592. Its totient is φ = 576160136568.

The previous prime is 1440400341427. The next prime is 1440400341451. The reversal of 1440400341430 is 341430040441.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72020017062 + ... + 72020017081.

It is an arithmetic number, because the mean of its divisors is an integer number (324090076824).

Almost surely, 2^{1440400341430} is an apocalyptic number.

1440400341430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440400341430 is a deficient number, since it is larger than the sum of its proper divisors (1152320273162).

1440400341430 is a wasteful number, since it uses less digits than its factorization.

1440400341430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144040034150.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1440400341430 its reverse (341430040441), we get a palindrome (1781830381871).

The spelling of 1440400341430 in words is "one trillion, four hundred forty billion, four hundred million, three hundred forty-one thousand, four hundred thirty".