40124143412 has 12 divisors (see below), whose sum is σ = 70340659620. Its totient is φ = 20026812096.

The previous prime is 40124143373. The next prime is 40124143439. The reversal of 40124143412 is 21434142104.

It can be written as a sum of positive squares in 2 ways, for example, as 26434207396 + 13689936016 = 162586^2 + 117004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8812343 + ... + 8816894.

It is an arithmetic number, because the mean of its divisors is an integer number (5861721635).

Almost surely, 2^40124143412 is an apocalyptic number.

It is an amenable number.

40124143412 is a deficient number, since it is larger than the sum of its proper divisors (30216516208).

40124143412 is a wasteful number, since it uses less digits than its factorization.

40124143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17629810 (or 17629808 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 40124143412 its reverse (21434142104), we get a palindrome (61558285516).

The spelling of 40124143412 in words is "forty billion, one hundred twenty-four million, one hundred forty-three thousand, four hundred twelve".