1540490162 has 8 divisors (see below), whose sum is σ = 2316073116. Its totient is φ = 768465792.

The previous prime is 1540490143. The next prime is 1540490167. The reversal of 1540490162 is 2610940451.

It can be written as a sum of positive squares in 2 ways, for example, as 1079056801 + 461433361 = 32849^2 + 21481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1540490167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888563 + ... + 890294.

Almost surely, 2^1540490162 is an apocalyptic number.

1540490162 is a deficient number, since it is larger than the sum of its proper divisors (775582954).

1540490162 is a wasteful number, since it uses less digits than its factorization.

1540490162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779292.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1540490162 is about 39249.0784859976. The cubic root of 1540490162 is about 1154.9228566131.

The spelling of 1540490162 in words is "one billion, five hundred forty million, four hundred ninety thousand, one hundred sixty-two".