40251224471 has 2 divisors, whose sum is σ = 40251224472. Its totient is φ = 40251224470.

The previous prime is 40251224399. The next prime is 40251224491. The reversal of 40251224471 is 17442215204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40251224471 - 2²² = 40247030167 is a prime.

It is a super-3 number, since 3×40251224471³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40251224491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125612235 + 20125612236.

It is an arithmetic number, because the mean of its divisors is an integer number (20125612236).

Almost surely, 2^40251224471 is an apocalyptic number.

40251224471 is a deficient number, since it is larger than the sum of its proper divisors (1).

40251224471 is an equidigital number, since it uses as much as digits as its factorization.

40251224471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 32.

Adding to 40251224471 its reverse (17442215204), we get a palindrome (57693439675).

The spelling of 40251224471 in words is "forty billion, two hundred fifty-one million, two hundred twenty-four thousand, four hundred seventy-one".