1540041544 has 16 divisors (see below), whose sum is σ = 3013125120. Its totient is φ = 736541520.

The previous prime is 1540041539. The next prime is 1540041589. The reversal of 1540041544 is 4451400451.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4184712 + ... + 4185079.

It is an arithmetic number, because the mean of its divisors is an integer number (188320320).

Almost surely, 2^1540041544 is an apocalyptic number.

It is an amenable number.

1540041544 is a deficient number, since it is larger than the sum of its proper divisors (1473083576).

1540041544 is a wasteful number, since it uses less digits than its factorization.

1540041544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369820 (or 8369816 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1540041544 is about 39243.3630567004. The cubic root of 1540041544 is about 1154.8107344029.

Adding to 1540041544 its reverse (4451400451), we get a palindrome (5991441995).

The spelling of 1540041544 in words is "one billion, five hundred forty million, forty-one thousand, five hundred forty-four".