40251224425 has 24 divisors (see below), whose sum is σ = 50483403776. Its totient is φ = 31833829440.

The previous prime is 40251224399. The next prime is 40251224471. The reversal of 40251224425 is 52442215204.

It is not a de Polignac number, because 40251224425 - 2⁷ = 40251224297 is a prime.

It is a super-3 number, since 3×40251224425³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 876127 + ... + 920923.

Almost surely, 2^40251224425 is an apocalyptic number.

It is an amenable number.

40251224425 is a deficient number, since it is larger than the sum of its proper divisors (10232179351).

40251224425 is a wasteful number, since it uses less digits than its factorization.

40251224425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45217 (or 45212 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 40251224425 its reverse (52442215204), we get a palindrome (92693439629).

The spelling of 40251224425 in words is "forty billion, two hundred fifty-one million, two hundred twenty-four thousand, four hundred twenty-five".