40202344 has 96 divisors (see below), whose sum is σ = 98824320. Its totient is φ = 15212736.

The previous prime is 40202333. The next prime is 40202353. The reversal of 40202344 is 44320204.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 1747917 + ... + 1747939.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 2^40202344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40202344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49412160).

40202344 is an abundant number, since it is smaller than the sum of its proper divisors (58621976).

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

40202344 is an equidigital number, since it uses as much as digits as its factorization.

40202344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40202344 is about 6340.5318388918. The cubic root of 40202344 is about 342.5708919623.

Adding to 40202344 its reverse (44320204), we get a palindrome (84522548).

The spelling of 40202344 in words is "forty million, two hundred two thousand, three hundred forty-four".