40424344 has 16 divisors (see below), whose sum is σ = 75913200. Its totient is φ = 20180832.

The previous prime is 40424339. The next prime is 40424353. The reversal of 40424344 is 44342404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (4744575).

Almost surely, 2^40424344 is an apocalyptic number.

It is an amenable number.

40424344 is a deficient number, since it is larger than the sum of its proper divisors (35488856).

40424344 is a wasteful number, since it uses less digits than its factorization.

40424344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7842 (or 7838 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 40424344 is about 6358.0141553790. The cubic root of 40424344 is about 343.2003012007.

Adding to 40424344 its reverse (44342404), we get a palindrome (84766748).

The spelling of 40424344 in words is "forty million, four hundred twenty-four thousand, three hundred forty-four".