40455155121 has 8 divisors (see below), whose sum is σ = 55800214080. Its totient is φ = 26040099792.

The previous prime is 40455155113. The next prime is 40455155131. The reversal of 40455155121 is 12155155404.

It is a happy number.

40455155121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40455155121 - 2³ = 40455155113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40455155131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232500805 + ... + 232500978.

It is an arithmetic number, because the mean of its divisors is an integer number (6975026760).

Almost surely, 2^40455155121 is an apocalyptic number.

It is an amenable number.

40455155121 is a deficient number, since it is larger than the sum of its proper divisors (15345058959).

40455155121 is a wasteful number, since it uses less digits than its factorization.

40455155121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465001815.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 40455155121 in words is "forty billion, four hundred fifty-five million, one hundred fifty-five thousand, one hundred twenty-one".