40013254155 has 32 divisors (see below), whose sum is σ = 77017996800. Its totient is φ = 17329047552.

The previous prime is 40013254129. The next prime is 40013254157. The reversal of 40013254155 is 55145231004.

40013254155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40013254155 - 2⁷ = 40013254027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40013254157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10026390 + ... + 10030379.

It is an arithmetic number, because the mean of its divisors is an integer number (2406812400).

Almost surely, 2^40013254155 is an apocalyptic number.

40013254155 is a deficient number, since it is larger than the sum of its proper divisors (37004742645).

40013254155 is a wasteful number, since it uses less digits than its factorization.

40013254155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20056803.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 40013254155 its reverse (55145231004), we get a palindrome (95158485159).

The spelling of 40013254155 in words is "forty billion, thirteen million, two hundred fifty-four thousand, one hundred fifty-five".