40344354 has 12 divisors (see below), whose sum is σ = 87412806. Its totient is φ = 13448112.

The previous prime is 40344329. The next prime is 40344371. The reversal of 40344354 is 45344304.

40344354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35820225 + 4524129 = 5985^2 + 2127^2 .

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 1120659 + ... + 1120694.

Almost surely, 2^40344354 is an apocalyptic number.

40344354 is an abundant number, since it is smaller than the sum of its proper divisors (47068452).

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

40344354 is a wasteful number, since it uses less digits than its factorization.

40344354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241361 (or 2241358 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 40344354 is about 6351.7205543065. The cubic root of 40344354 is about 342.9737815952.

Adding to 40344354 its reverse (45344304), we get a palindrome (85688658).

The spelling of 40344354 in words is "forty million, three hundred forty-four thousand, three hundred fifty-four".