40512248 has 32 divisors (see below), whose sum is σ = 87621600. Its totient is φ = 17200512.

The previous prime is 40512247. The next prime is 40512253. The reversal of 40512248 is 84221504.

It is a happy number.

40512248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40512247) 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 7 ways as a sum of consecutive naturals, for example, 2786 + ... + 9422.

It is an arithmetic number, because the mean of its divisors is an integer number (2738175).

Almost surely, 2^40512248 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 40512248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43810800).

40512248 is an abundant number, since it is smaller than the sum of its proper divisors (47109352).

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

40512248 is a wasteful number, since it uses less digits than its factorization.

40512248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759 (or 6755 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 40512248 is about 6364.9232516975. The cubic root of 40512248 is about 343.4488876967.

The spelling of 40512248 in words is "forty million, five hundred twelve thousand, two hundred forty-eight".