40526249 has 8 divisors (see below), whose sum is σ = 43131528. Its totient is φ = 37945600.

The previous prime is 40526243. The next prime is 40526251. The reversal of 40526249 is 94262504.

It can be written as a sum of positive squares in 4 ways, for example, as 36385024 + 4141225 = 6032^2 + 2035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40526249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40526243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2702 + ... + 9399.

It is an arithmetic number, because the mean of its divisors is an integer number (5391441).

Almost surely, 2^40526249 is an apocalyptic number.

It is an amenable number.

40526249 is a deficient number, since it is larger than the sum of its proper divisors (2605279).

40526249 is a wasteful number, since it uses less digits than its factorization.

40526249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 40526249 is about 6366.0230128393. The cubic root of 40526249 is about 343.4884483585.

It can be divided in two parts, 4052 and 6249, that added together give a palindrome (10301).

The spelling of 40526249 in words is "forty million, five hundred twenty-six thousand, two hundred forty-nine".