420031354544 has 20 divisors (see below), whose sum is σ = 833659793400. Its totient is φ = 204893343360.

The previous prime is 420031354511. The next prime is 420031354573. The reversal of 420031354544 is 445453130024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320145194 + ... + 320146505.

It is an arithmetic number, because the mean of its divisors is an integer number (41682989670).

Almost surely, 2^420031354544 is an apocalyptic number.

It is an amenable number.

420031354544 is a deficient number, since it is larger than the sum of its proper divisors (413628438856).

420031354544 is a wasteful number, since it uses less digits than its factorization.

420031354544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640291748 (or 640291742 counting only the distinct ones).

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

Adding to 420031354544 its reverse (445453130024), we get a palindrome (865484484568).

The spelling of 420031354544 in words is "four hundred twenty billion, thirty-one million, three hundred fifty-four thousand, five hundred forty-four".