40248064 has 18 divisors (see below), whose sum is σ = 80339420. Its totient is φ = 20123904.

The previous prime is 40248053. The next prime is 40248067. The reversal of 40248064 is 46084204.

It is not an unprimeable number, because it can be changed into a prime (40248067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78354 + ... + 78865.

Almost surely, 2^40248064 is an apocalyptic number.

It is an amenable number.

40248064 is a deficient number, since it is larger than the sum of its proper divisors (40091356).

40248064 is an equidigital number, since it uses as much as digits as its factorization.

40248064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157235 (or 157221 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 40248064 is about 6344.1361902153. The cubic root of 40248064 is about 342.7007053517.

The spelling of 40248064 in words is "forty million, two hundred forty-eight thousand, sixty-four".