40251224443 has 8 divisors (see below), whose sum is σ = 42393429200. Its totient is φ = 38111391648.

The previous prime is 40251224399. The next prime is 40251224471. The reversal of 40251224443 is 34442215204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40251224443 - 2¹⁷ = 40251093371 is a prime.

It is a super-2 number, since 2×40251224443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40251221443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558096 + ... + 626077.

It is an arithmetic number, because the mean of its divisors is an integer number (5299178650).

Almost surely, 2^40251224443 is an apocalyptic number.

40251224443 is a deficient number, since it is larger than the sum of its proper divisors (2142204757).

40251224443 is a wasteful number, since it uses less digits than its factorization.

40251224443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185981.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 40251224443 its reverse (34442215204), we get a palindrome (74693439647).

The spelling of 40251224443 in words is "forty billion, two hundred fifty-one million, two hundred twenty-four thousand, four hundred forty-three".