40126312 has 32 divisors (see below), whose sum is σ = 76838400. Its totient is φ = 19641024.

The previous prime is 40126301. The next prime is 40126319. The reversal of 40126312 is 21362104.

It is a super-2 number, since 2×40126312² = 3220241829442688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40126312.

It is not an unprimeable number, because it can be changed into a prime (40126319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109153 + ... + 109519.

It is an arithmetic number, because the mean of its divisors is an integer number (2401200).

Almost surely, 2^40126312 is an apocalyptic number.

It is an amenable number.

40126312 is a deficient number, since it is larger than the sum of its proper divisors (36712088).

40126312 is a wasteful number, since it uses less digits than its factorization.

40126312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40126312 is about 6334.5332898328. The cubic root of 40126312 is about 342.3547952157.

Adding to 40126312 its reverse (21362104), we get a palindrome (61488416).

The spelling of 40126312 in words is "forty million, one hundred twenty-six thousand, three hundred twelve".