40012266555 has 24 divisors (see below), whose sum is σ = 70041282480. Its totient is φ = 21128587200.

The previous prime is 40012266551. The next prime is 40012266571. The reversal of 40012266555 is 55566221004.

40012266555 is a `hidden beast` number, since 40 + 0 + 1 + 2 + 2 + 66 + 555 = 666.

It is not a de Polignac number, because 40012266555 - 2² = 40012266551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40012266551) by changing a digit.

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, 4397245 + ... + 4406334.

It is an arithmetic number, because the mean of its divisors is an integer number (2918386770).

Almost surely, 2^40012266555 is an apocalyptic number.

40012266555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40012266555 is a deficient number, since it is larger than the sum of its proper divisors (30029015925).

40012266555 is a wasteful number, since it uses less digits than its factorization.

40012266555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803691 (or 8803688 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 40012266555 its reverse (55566221004), we get a palindrome (95578487559).

The spelling of 40012266555 in words is "forty billion, twelve million, two hundred sixty-six thousand, five hundred fifty-five".