40040122412 has 24 divisors (see below), whose sum is σ = 72350530560. Its totient is φ = 19368899280.

The previous prime is 40040122411. The next prime is 40040122429. The reversal of 40040122412 is 21422104004.

It is a super-2 number, since 2×40040122412² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40040122411) 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, 425873 + ... + 511319.

It is an arithmetic number, because the mean of its divisors is an integer number (3014605440).

Almost surely, 2^40040122412 is an apocalyptic number.

It is an amenable number.

40040122412 is a deficient number, since it is larger than the sum of its proper divisors (32310408148).

40040122412 is a wasteful number, since it uses less digits than its factorization.

40040122412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89261 (or 89259 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 40040122412 its reverse (21422104004), we get a palindrome (61462226416).

The spelling of 40040122412 in words is "forty billion, forty million, one hundred twenty-two thousand, four hundred twelve".