1540163436 has 48 divisors (see below), whose sum is σ = 4248733440. Its totient is φ = 424872000.

The previous prime is 1540163419. The next prime is 1540163437. The reversal of 1540163436 is 6343610451.

It is a junction number, because it is equal to n+sod(n) for n = 1540163397 and 1540163406.

It is not an unprimeable number, because it can be changed into a prime (1540163437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313690 + ... + 318561.

It is an arithmetic number, because the mean of its divisors is an integer number (88515280).

Almost surely, 2^1540163436 is an apocalyptic number.

It is an amenable number.

1540163436 is an abundant number, since it is smaller than the sum of its proper divisors (2708570004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1540163436 is a wasteful number, since it uses less digits than its factorization.

1540163436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632294 (or 632292 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1540163436 is about 39244.9160529106. The cubic root of 1540163436 is about 1154.8412007837.

Adding to 1540163436 its reverse (6343610451), we get a palindrome (7883773887).

The spelling of 1540163436 in words is "one billion, five hundred forty million, one hundred sixty-three thousand, four hundred thirty-six".