40254401155 has 32 divisors (see below), whose sum is σ = 49431368448. Its totient is φ = 31463203200.

The previous prime is 40254401149. The next prime is 40254401179. The reversal of 40254401155 is 55110445204.

It is a happy number.

It is not a de Polignac number, because 40254401155 - 2³¹ = 38106917507 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 17993697 + ... + 17995933.

It is an arithmetic number, because the mean of its divisors is an integer number (1544730264).

Almost surely, 2^40254401155 is an apocalyptic number.

40254401155 is a deficient number, since it is larger than the sum of its proper divisors (9176967293).

40254401155 is a wasteful number, since it uses less digits than its factorization.

40254401155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 40254401155 its reverse (55110445204), we get a palindrome (95364846359).

The spelling of 40254401155 in words is "forty billion, two hundred fifty-four million, four hundred one thousand, one hundred fifty-five".