40231364238 has 96 divisors (see below), whose sum is σ = 97320787200. Its totient is φ = 11926107648.

The previous prime is 40231364219. The next prime is 40231364249. The reversal of 40231364238 is 83246313204.

40231364238 is a `hidden beast` number, since 4 + 0 + 2 + 3 + 1 + 3 + 642 + 3 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3244306 + ... + 3256682.

It is an arithmetic number, because the mean of its divisors is an integer number (1013758200).

Almost surely, 2^40231364238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40231364238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48660393600).

40231364238 is an abundant number, since it is smaller than the sum of its proper divisors (57089422962).

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

40231364238 is a wasteful number, since it uses less digits than its factorization.

40231364238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12906 (or 12903 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 40231364238 in words is "forty billion, two hundred thirty-one million, three hundred sixty-four thousand, two hundred thirty-eight".