40410072 has 24 divisors (see below), whose sum is σ = 109444140. Its totient is φ = 13470000.

The previous prime is 40410049. The next prime is 40410077. The reversal of 40410072 is 27001404.

It is a happy number.

40410072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40410077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280554 + ... + 280697.

Almost surely, 2^40410072 is an apocalyptic number.

It is an amenable number.

40410072 is an abundant number, since it is smaller than the sum of its proper divisors (69034068).

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

40410072 is a wasteful number, since it uses less digits than its factorization.

40410072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561263 (or 561256 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 40410072 is about 6356.8916932727. The cubic root of 40410072 is about 343.1599069666.

Adding to 40410072 its reverse (27001404), we get a palindrome (67411476).

The spelling of 40410072 in words is "forty million, four hundred ten thousand, seventy-two".