3040400155 has 32 divisors (see below), whose sum is σ = 4021726464. Its totient is φ = 2192526336.

The previous prime is 3040400147. The next prime is 3040400161. The reversal of 3040400155 is 5510040403.

It is not a de Polignac number, because 3040400155 - 2³ = 3040400147 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 1884129 + ... + 1885741.

It is an arithmetic number, because the mean of its divisors is an integer number (125678952).

Almost surely, 2^3040400155 is an apocalyptic number.

3040400155 is a deficient number, since it is larger than the sum of its proper divisors (981326309).

3040400155 is a wasteful number, since it uses less digits than its factorization.

3040400155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 3040400155 is about 55139.8236758153. The cubic root of 3040400155 is about 1448.6948469801.

Adding to 3040400155 its reverse (5510040403), we get a palindrome (8550440558).

The spelling of 3040400155 in words is "three billion, forty million, four hundred thousand, one hundred fifty-five".