40251224455 has 16 divisors (see below), whose sum is σ = 52166901024. Its totient is φ = 29638304640.

The previous prime is 40251224399. The next prime is 40251224471. The reversal of 40251224455 is 55442215204.

It is not a de Polignac number, because 40251224455 - 2¹⁷ = 40251093383 is a prime.

It is a super-2 number, since 2×40251224455² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40251224455.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 869736 + ... + 914845.

It is an arithmetic number, because the mean of its divisors is an integer number (3260431314).

Almost surely, 2^40251224455 is an apocalyptic number.

40251224455 is a deficient number, since it is larger than the sum of its proper divisors (11915676569).

40251224455 is a wasteful number, since it uses less digits than its factorization.

40251224455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784946.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 40251224455 its reverse (55442215204), we get a palindrome (95693439659).

The spelling of 40251224455 in words is "forty billion, two hundred fifty-one million, two hundred twenty-four thousand, four hundred fifty-five".