1540040696 has 16 divisors (see below), whose sum is σ = 2892589440. Its totient is φ = 768683520.

The previous prime is 1540040669. The next prime is 1540040699. The reversal of 1540040696 is 6960400451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540040699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162200 + ... + 171431.

It is an arithmetic number, because the mean of its divisors is an integer number (180786840).

Almost surely, 2^1540040696 is an apocalyptic number.

It is an amenable number.

1540040696 is a deficient number, since it is larger than the sum of its proper divisors (1352548744).

1540040696 is a wasteful number, since it uses less digits than its factorization.

1540040696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334214 (or 334210 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1540040696 is about 39243.3522523242. The cubic root of 1540040696 is about 1154.8105224433.

The spelling of 1540040696 in words is "one billion, five hundred forty million, forty thousand, six hundred ninety-six".