440325421532 has 24 divisors (see below), whose sum is σ = 776581478400. Its totient is φ = 218446911216.

The previous prime is 440325421531. The next prime is 440325421537. The reversal of 440325421532 is 235124523044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 440325421492 and 440325421501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440325421531) 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, 686519 + ... + 1162737.

It is an arithmetic number, because the mean of its divisors is an integer number (32357561600).

Almost surely, 2^440325421532 is an apocalyptic number.

It is an amenable number.

440325421532 is a deficient number, since it is larger than the sum of its proper divisors (336256056868).

440325421532 is a wasteful number, since it uses less digits than its factorization.

440325421532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478025 (or 478023 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 440325421532 its reverse (235124523044), we get a palindrome (675449944576).

The spelling of 440325421532 in words is "four hundred forty billion, three hundred twenty-five million, four hundred twenty-one thousand, five hundred thirty-two".