40155263155 has 16 divisors (see below), whose sum is σ = 55073332224. Its totient is φ = 27533409120.

The previous prime is 40155263149. The next prime is 40155263189. The reversal of 40155263155 is 55136255104.

It is a happy number.

It is not a de Polignac number, because 40155263155 - 2¹⁵ = 40155230387 is a prime.

It is a super-2 number, since 2×40155263155² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101754 + ... + 1137616.

It is an arithmetic number, because the mean of its divisors is an integer number (3442083264).

Almost surely, 2^40155263155 is an apocalyptic number.

40155263155 is a deficient number, since it is larger than the sum of its proper divisors (14918069069).

40155263155 is a wasteful number, since it uses less digits than its factorization.

40155263155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67866.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 40155263155 in words is "forty billion, one hundred fifty-five million, two hundred sixty-three thousand, one hundred fifty-five".