40034240 has 28 divisors (see below), whose sum is σ = 95332296. Its totient is φ = 16013568.

The previous prime is 40034233. The next prime is 40034251. The reversal of 40034240 is 4243004.

40034240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62234 + ... + 62873.

Almost surely, 2^40034240 is an apocalyptic number.

40034240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40034240 is an abundant number, since it is smaller than the sum of its proper divisors (55298056).

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

40034240 is a wasteful number, since it uses less digits than its factorization.

40034240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125124 (or 125114 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40034240 is about 6327.2616509830. The cubic root of 40034240 is about 342.0927441324.

Adding to 40034240 its reverse (4243004), we get a palindrome (44277244).

The spelling of 40034240 in words is "forty million, thirty-four thousand, two hundred forty".