140440330023440 has 40 divisors (see below), whose sum is σ = 326625267364440. Its totient is φ = 56158669633536.

The previous prime is 140440330023373. The next prime is 140440330023463. The reversal of 140440330023440 is 44320033044041.

It can be written as a sum of positive squares in 4 ways, for example, as 39647725662736 + 100792604360704 = 6296644^2 + 10039552^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 140440330023397 and 140440330023406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272590655 + ... + 273105374.

It is an arithmetic number, because the mean of its divisors is an integer number (8165631684111).

Almost surely, 2^{140440330023440} is an apocalyptic number.

140440330023440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140440330023440 is an abundant number, since it is smaller than the sum of its proper divisors (186184937341000).

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

140440330023440 is a wasteful number, since it uses less digits than its factorization.

140440330023440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545699259 (or 545699253 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 140440330023440 its reverse (44320033044041), we get a palindrome (184760363067481).

The spelling of 140440330023440 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirty million, twenty-three thousand, four hundred forty".