40012302242142 has 24 divisors (see below), whose sum is σ = 88709445282744. Its totient is φ = 13027261194864.

The previous prime is 40012302242131. The next prime is 40012302242147. The reversal of 40012302242142 is 24124220321004.

It is a happy number.

40012302242142 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 230 + 2 + 2 + 421 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012302242147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25847739693 + ... + 25847741240.

It is an arithmetic number, because the mean of its divisors is an integer number (3696226886781).

Almost surely, 2^{40012302242142} is an apocalyptic number.

40012302242142 is an abundant number, since it is smaller than the sum of its proper divisors (48697143040602).

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

40012302242142 is a wasteful number, since it uses less digits than its factorization.

40012302242142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51695480984 (or 51695480981 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 40012302242142 its reverse (24124220321004), we get a palindrome (64136522563146).

The spelling of 40012302242142 in words is "forty trillion, twelve billion, three hundred two million, two hundred forty-two thousand, one hundred forty-two".