431425040028 has 48 divisors (see below), whose sum is σ = 1050482227200. Its totient is φ = 137548471104.

The previous prime is 431425040023. The next prime is 431425040047. The reversal of 431425040028 is 820040524134.

It is a super-2 number, since 2×431425040028² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431425040023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7823898 + ... + 7878846.

It is an arithmetic number, because the mean of its divisors is an integer number (21885046400).

Almost surely, 2^431425040028 is an apocalyptic number.

It is an amenable number.

431425040028 is an abundant number, since it is smaller than the sum of its proper divisors (619057187172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431425040028 is a wasteful number, since it uses less digits than its factorization.

431425040028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83426 (or 83424 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 431425040028 in words is "four hundred thirty-one billion, four hundred twenty-five million, forty thousand, twenty-eight".