4040122155 has 16 divisors (see below), whose sum is σ = 6745248000. Its totient is φ = 2061047648.

The previous prime is 4040122129. The next prime is 4040122183. The reversal of 4040122155 is 5512210404.

It is a cyclic number.

It is not a de Polignac number, because 4040122155 - 2¹¹ = 4040120107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5854905 + ... + 5855594.

It is an arithmetic number, because the mean of its divisors is an integer number (421578000).

Almost surely, 2^4040122155 is an apocalyptic number.

4040122155 is a deficient number, since it is larger than the sum of its proper divisors (2705125845).

4040122155 is a wasteful number, since it uses less digits than its factorization.

4040122155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11710530.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4040122155 is about 63561.9552484031. The cubic root of 4040122155 is about 1592.6909004400.

Adding to 4040122155 its reverse (5512210404), we get a palindrome (9552332559).

The spelling of 4040122155 in words is "four billion, forty million, one hundred twenty-two thousand, one hundred fifty-five".