140440124301440 has 32 divisors (see below), whose sum is σ = 335739672159660. Its totient is φ = 56176049720320.

The previous prime is 140440124301427. The next prime is 140440124301473. The reversal of 140440124301440 is 44103421044041.

It can be written as a sum of positive squares in 2 ways, for example, as 123725044326976 + 16715079974464 = 11123176^2 + 4088408^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 140440124301397 and 140440124301406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109718846471 + ... + 109718847750.

Almost surely, 2^{140440124301440} is an apocalyptic number.

140440124301440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140440124301440 is an abundant number, since it is smaller than the sum of its proper divisors (195299547858220).

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

140440124301440 is an equidigital number, since it uses as much as digits as its factorization.

140440124301440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219437694240 (or 219437694228 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 140440124301440 its reverse (44103421044041), we get a palindrome (184543545345481).

The spelling of 140440124301440 in words is "one hundred forty trillion, four hundred forty billion, one hundred twenty-four million, three hundred one thousand, four hundred forty".