40452344 has 8 divisors (see below), whose sum is σ = 75848160. Its totient is φ = 20226168.

The previous prime is 40452343. The next prime is 40452353. The reversal of 40452344 is 44325404.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40452343) 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 as a sum of consecutive naturals, namely, 2528264 + ... + 2528279.

It is an arithmetic number, because the mean of its divisors is an integer number (9481020).

Almost surely, 2^40452344 is an apocalyptic number.

It is an amenable number.

40452344 is a deficient number, since it is larger than the sum of its proper divisors (35395816).

40452344 is a wasteful number, since it uses less digits than its factorization.

40452344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056549 (or 5056545 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 40452344 is about 6360.2157196120. The cubic root of 40452344 is about 343.2795223633.

Adding to 40452344 its reverse (44325404), we get a palindrome (84777748).

The spelling of 40452344 in words is "forty million, four hundred fifty-two thousand, three hundred forty-four".