40224671 has 2 divisors, whose sum is σ = 40224672. Its totient is φ = 40224670.

The previous prime is 40224659. The next prime is 40224689. The reversal of 40224671 is 17642204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40224671 - 2²² = 36030367 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40224671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40224641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20112335 + 20112336.

It is an arithmetic number, because the mean of its divisors is an integer number (20112336).

Almost surely, 2^40224671 is an apocalyptic number.

40224671 is a deficient number, since it is larger than the sum of its proper divisors (1).

40224671 is an equidigital number, since it uses as much as digits as its factorization.

40224671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 40224671 is about 6342.2922512290. The cubic root of 40224671 is about 342.6342975921.

Adding to 40224671 its reverse (17642204), we get a palindrome (57866875).

The spelling of 40224671 in words is "forty million, two hundred twenty-four thousand, six hundred seventy-one".