440325142257 has 288 divisors, whose sum is σ = 843483497472. Its totient is φ = 200799648000.

The previous prime is 440325142193. The next prime is 440325142289. The reversal of 440325142257 is 752241523044.

It is not a de Polignac number, because 440325142257 - 2⁶ = 440325142193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (440325142157) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1434283698 + ... + 1434284004.

It is an arithmetic number, because the mean of its divisors is an integer number (2928762144).

Almost surely, 2^440325142257 is an apocalyptic number.

It is an amenable number.

440325142257 is a deficient number, since it is larger than the sum of its proper divisors (403158355215).

440325142257 is a wasteful number, since it uses less digits than its factorization.

440325142257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

The spelling of 440325142257 in words is "four hundred forty billion, three hundred twenty-five million, one hundred forty-two thousand, two hundred fifty-seven".