440210020412 has 24 divisors (see below), whose sum is σ = 771950071200. Its totient is φ = 219653323776.

The previous prime is 440210020387. The next prime is 440210020427. The reversal of 440210020412 is 214020012044.

It is a super-2 number, since 2×440210020412² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3781289 + ... + 3895967.

It is an arithmetic number, because the mean of its divisors is an integer number (32164586300).

Almost surely, 2^440210020412 is an apocalyptic number.

It is an amenable number.

440210020412 is a deficient number, since it is larger than the sum of its proper divisors (331740050788).

440210020412 is a wasteful number, since it uses less digits than its factorization.

440210020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116645 (or 116643 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 440210020412 its reverse (214020012044), we get a palindrome (654230032456).

The spelling of 440210020412 in words is "four hundred forty billion, two hundred ten million, twenty thousand, four hundred twelve".