40501247 has 4 divisors (see below), whose sum is σ = 40517880. Its totient is φ = 40484616.

The previous prime is 40501231. The next prime is 40501267. The reversal of 40501247 is 74210504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40501247 - 2⁴ = 40501231 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40501207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3872 + ... + 9797.

It is an arithmetic number, because the mean of its divisors is an integer number (10129470).

Almost surely, 2^40501247 is an apocalyptic number.

40501247 is a deficient number, since it is larger than the sum of its proper divisors (16633).

40501247 is a wasteful number, since it uses less digits than its factorization.

40501247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16632.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 40501247 is about 6364.0590034977. The cubic root of 40501247 is about 343.4177973191.

The spelling of 40501247 in words is "forty million, five hundred one thousand, two hundred forty-seven".