424402240004 has 12 divisors (see below), whose sum is σ = 742709843484. Its totient is φ = 212199427584.

The previous prime is 424402239983. The next prime is 424402240013. The reversal of 424402240004 is 400042204424.

It can be written as a sum of positive squares in 2 ways, for example, as 247874536900 + 176527703104 = 497870^2 + 420152^2 .

It is a super-2 number, since 2×424402240004² (a number of 24 digits) contains 22 as substring.

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, 265724 + ... + 958860.

It is an arithmetic number, because the mean of its divisors is an integer number (61892486957).

Almost surely, 2^424402240004 is an apocalyptic number.

It is an amenable number.

424402240004 is a deficient number, since it is larger than the sum of its proper divisors (318307603480).

424402240004 is a wasteful number, since it uses less digits than its factorization.

424402240004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846214 (or 846212 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 424402240004 its reverse (400042204424), we get a palindrome (824444444428).

The spelling of 424402240004 in words is "four hundred twenty-four billion, four hundred two million, two hundred forty thousand, four".