40010344 has 24 divisors (see below), whose sum is σ = 82461330. Its totient is φ = 18186080.

The previous prime is 40010309. The next prime is 40010353. The reversal of 40010344 is 44301004.

It can be written as a sum of positive squares in only one way, i.e., 24502500 + 15507844 = 4950^2 + 3938^2 .

It is a super-4 number, since 4×40010344⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19699 + ... + 21634.

Almost surely, 2^40010344 is an apocalyptic number.

40010344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40010344 is an abundant number, since it is smaller than the sum of its proper divisors (42450986).

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

40010344 is a wasteful number, since it uses less digits than its factorization.

40010344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41361 (or 41346 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40010344 is about 6325.3730324780. The cubic root of 40010344 is about 342.0246667799.

Adding to 40010344 its reverse (44301004), we get a palindrome (84311348).

The spelling of 40010344 in words is "forty million, ten thousand, three hundred forty-four".