1540163396 has 12 divisors (see below), whose sum is σ = 2695690620. Its totient is φ = 769966080.

The previous prime is 1540163393. The next prime is 1540163413. The reversal of 1540163396 is 6933610451.

It can be written as a sum of positive squares in 2 ways, for example, as 1329623296 + 210540100 = 36464^2 + 14510^2 .

It is not an unprimeable number, because it can be changed into a prime (1540163393) 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, 5660 + ... + 55788.

It is an arithmetic number, because the mean of its divisors is an integer number (224640885).

Almost surely, 2^1540163396 is an apocalyptic number.

It is an amenable number.

1540163396 is a deficient number, since it is larger than the sum of its proper divisors (1155527224).

1540163396 is a wasteful number, since it uses less digits than its factorization.

1540163396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57814 (or 57812 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1540163396 is about 39244.9155432904. The cubic root of 1540163396 is about 1154.8411907861.

The spelling of 1540163396 in words is "one billion, five hundred forty million, one hundred sixty-three thousand, three hundred ninety-six".