40248436 has 24 divisors (see below), whose sum is σ = 73725120. Its totient is φ = 19225976.

The previous prime is 40248421. The next prime is 40248437. The reversal of 40248436 is 63484204.

It is a junction number, because it is equal to n+sod(n) for n = 40248398 and 40248407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40248437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48255 + ... + 49081.

It is an arithmetic number, because the mean of its divisors is an integer number (3071880).

Almost surely, 2^40248436 is an apocalyptic number.

40248436 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40248436 is a deficient number, since it is larger than the sum of its proper divisors (33476684).

40248436 is an equidigital number, since it uses as much as digits as its factorization.

40248436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 40248436 is about 6344.1655085598. The cubic root of 40248436 is about 342.7017611729.

The spelling of 40248436 in words is "forty million, two hundred forty-eight thousand, four hundred thirty-six".