2040430155 has 16 divisors (see below), whose sum is σ = 3265322784. Its totient is φ = 1088017920.

The previous prime is 2040430123. The next prime is 2040430177. The reversal of 2040430155 is 5510340402.

It is not a de Polignac number, because 2040430155 - 2⁵ = 2040430123 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, 95235 + ... + 114675.

It is an arithmetic number, because the mean of its divisors is an integer number (204082674).

Almost surely, 2^2040430155 is an apocalyptic number.

2040430155 is a deficient number, since it is larger than the sum of its proper divisors (1224892629).

2040430155 is a wasteful number, since it uses less digits than its factorization.

2040430155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26446.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2040430155 is about 45171.1208074362. The cubic root of 2040430155 is about 1268.3542770658.

Adding to 2040430155 its reverse (5510340402), we get a palindrome (7550770557).

The spelling of 2040430155 in words is "two billion, forty million, four hundred thirty thousand, one hundred fifty-five".