40014312 has 64 divisors (see below), whose sum is σ = 108353280. Its totient is φ = 12241152.

The previous prime is 40014283. The next prime is 40014313. The reversal of 40014312 is 21341004.

It is a super-2 number, since 2×40014312² = 3202290329666688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40014291 and 40014300.

It is not an unprimeable number, because it can be changed into a prime (40014313) 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 15 ways as a sum of consecutive naturals, for example, 86193 + ... + 86655.

It is an arithmetic number, because the mean of its divisors is an integer number (1693020).

Almost surely, 2^40014312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40014312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54176640).

40014312 is an abundant number, since it is smaller than the sum of its proper divisors (68338968).

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

40014312 is a wasteful number, since it uses less digits than its factorization.

40014312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40014312 is about 6325.6866820923. The cubic root of 40014312 is about 342.0359730978.

Adding to 40014312 its reverse (21341004), we get a palindrome (61355316).

The spelling of 40014312 in words is "forty million, fourteen thousand, three hundred twelve".