40012134412340 has 24 divisors (see below), whose sum is σ = 84025613710080. Its totient is φ = 16004828727968.

The previous prime is 40012134412337. The next prime is 40012134412343. The reversal of 40012134412340 is 4321443121004.

It is an interprime number because it is at equal distance from previous prime (40012134412337) and next prime (40012134412343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012134412343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16792181 + ... + 19026339.

It is an arithmetic number, because the mean of its divisors is an integer number (3501067237920).

Almost surely, 2^{40012134412340} is an apocalyptic number.

It is an amenable number.

40012134412340 is an abundant number, since it is smaller than the sum of its proper divisors (44013479297740).

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

40012134412340 is a wasteful number, since it uses less digits than its factorization.

40012134412340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129631 (or 3129629 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 40012134412340 its reverse (4321443121004), we get a palindrome (44333577533344).

The spelling of 40012134412340 in words is "forty trillion, twelve billion, one hundred thirty-four million, four hundred twelve thousand, three hundred forty".