2040431545 has 32 divisors (see below), whose sum is σ = 2731802112. Its totient is φ = 1455117312.

The previous prime is 2040431537. The next prime is 2040431567. The reversal of 2040431545 is 5451340402.

2040431545 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2040431545 - 2³ = 2040431537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196299 + ... + 206431.

It is an arithmetic number, because the mean of its divisors is an integer number (85368816).

Almost surely, 2^2040431545 is an apocalyptic number.

It is an amenable number.

2040431545 is a deficient number, since it is larger than the sum of its proper divisors (691370567).

2040431545 is a wasteful number, since it uses less digits than its factorization.

2040431545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2040431545 is about 45171.1361933702. The cubic root of 2040431545 is about 1268.3545650789.

Adding to 2040431545 its reverse (5451340402), we get a palindrome (7491771947).

The spelling of 2040431545 in words is "two billion, forty million, four hundred thirty-one thousand, five hundred forty-five".