2040215545 has 16 divisors (see below), whose sum is σ = 2484069120. Its totient is φ = 1608459264.

The previous prime is 2040215537. The next prime is 2040215561. The reversal of 2040215545 is 5455120402.

It is a cyclic number.

It is not a de Polignac number, because 2040215545 - 2³ = 2040215537 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, 93376 + ... + 113134.

It is an arithmetic number, because the mean of its divisors is an integer number (155254320).

Almost surely, 2^2040215545 is an apocalyptic number.

It is an amenable number.

2040215545 is a deficient number, since it is larger than the sum of its proper divisors (443853575).

2040215545 is a wasteful number, since it uses less digits than its factorization.

2040215545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2040215545 is about 45168.7452227754. The cubic root of 2040215545 is about 1268.3098075120.

Adding to 2040215545 its reverse (5455120402), we get a palindrome (7495335947).

The spelling of 2040215545 in words is "two billion, forty million, two hundred fifteen thousand, five hundred forty-five".