40535248 has 40 divisors (see below), whose sum is σ = 86197608. Its totient is φ = 18350592.

The previous prime is 40535237. The next prime is 40535251. The reversal of 40535248 is 84253504.

It can be written as a sum of positive squares in 4 ways, for example, as 8363664 + 32171584 = 2892^2 + 5672^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9186 + ... + 12862.

Almost surely, 2^40535248 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 40535248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43098804).

40535248 is an abundant number, since it is smaller than the sum of its proper divisors (45662360).

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

40535248 is a wasteful number, since it uses less digits than its factorization.

40535248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751 (or 3745 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 40535248 is about 6366.7297728112. The cubic root of 40535248 is about 343.5138707605.

It can be divided in two parts, 405 and 35248, that added together give a palindrome (35653).

The spelling of 40535248 in words is "forty million, five hundred thirty-five thousand, two hundred forty-eight".