40014340 has 12 divisors (see below), whose sum is σ = 84030156. Its totient is φ = 16005728.

The previous prime is 40014329. The next prime is 40014349. The reversal of 40014340 is 4341004.

It can be written as a sum of positive squares in 2 ways, for example, as 15729156 + 24285184 = 3966^2 + 4928^2 .

It is a super-2 number, since 2×40014340² = 3202294811271200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40014349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000339 + ... + 1000378.

It is an arithmetic number, because the mean of its divisors is an integer number (7002513).

Almost surely, 2^40014340 is an apocalyptic number.

It is an amenable number.

40014340 is an abundant number, since it is smaller than the sum of its proper divisors (44015816).

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

40014340 is a wasteful number, since it uses less digits than its factorization.

40014340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000726 (or 2000724 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40014340 is about 6325.6888952904. The cubic root of 40014340 is about 342.0360528777.

Adding to 40014340 its reverse (4341004), we get a palindrome (44355344).

The spelling of 40014340 in words is "forty million, fourteen thousand, three hundred forty".