431000442020044 has 48 divisors (see below), whose sum is σ = 816819113023200. Its totient is φ = 197809258622976.

The previous prime is 431000442020017. The next prime is 431000442020077. The reversal of 431000442020044 is 440020244000134.

It is a super-2 number, since 2×431000442020044² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431000442019994 and 431000442020021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779519962 + ... + 780072670.

It is an arithmetic number, because the mean of its divisors is an integer number (17017064854650).

Almost surely, 2^{431000442020044} is an apocalyptic number.

It is an amenable number.

431000442020044 is a deficient number, since it is larger than the sum of its proper divisors (385818671003156).

431000442020044 is a wasteful number, since it uses less digits than its factorization.

431000442020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636682 (or 636680 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 431000442020044 its reverse (440020244000134), we get a palindrome (871020686020178).

The spelling of 431000442020044 in words is "four hundred thirty-one trillion, four hundred forty-two million, twenty thousand, forty-four".