40431224130 has 128 divisors (see below), whose sum is σ = 110655590400. Its totient is φ = 9358652160.

The previous prime is 40431224129. The next prime is 40431224167. The reversal of 40431224130 is 3142213404.

It is a self number, because there is not a number n which added to its sum of digits gives 40431224130.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4541964 + ... + 4550856.

It is an arithmetic number, because the mean of its divisors is an integer number (864496800).

Almost surely, 2^40431224130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40431224130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55327795200).

40431224130 is an abundant number, since it is smaller than the sum of its proper divisors (70224366270).

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

40431224130 is a wasteful number, since it uses less digits than its factorization.

40431224130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9536.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40431224130 its reverse (3142213404), we get a palindrome (43573437534).

The spelling of 40431224130 in words is "forty billion, four hundred thirty-one million, two hundred twenty-four thousand, one hundred thirty".