40234344 has 16 divisors (see below), whose sum is σ = 100585920. Its totient is φ = 13411440.

The previous prime is 40234331. The next prime is 40234387. The reversal of 40234344 is 44343204.

It is a happy number.

It is a super-2 number, since 2×40234344² = 3237604874220672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1676431 = 40234344 / (4 + 0 + 2 + 3 + 4 + 3 + 4 + 4).

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, 838192 + ... + 838239.

It is an arithmetic number, because the mean of its divisors is an integer number (6286620).

Almost surely, 2^40234344 is an apocalyptic number.

It is an amenable number.

40234344 is an abundant number, since it is smaller than the sum of its proper divisors (60351576).

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

40234344 is a wasteful number, since it uses less digits than its factorization.

40234344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676440 (or 1676436 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 40234344 is about 6343.0547845656. The cubic root of 40234344 is about 342.6617603063.

Adding to 40234344 its reverse (44343204), we get a palindrome (84577548).

The spelling of 40234344 in words is "forty million, two hundred thirty-four thousand, three hundred forty-four".