1540260564 has 24 divisors (see below), whose sum is σ = 3596425728. Its totient is φ = 513065280.

The previous prime is 1540260563. The next prime is 1540260577. The reversal of 1540260564 is 4650620451.

1540260564 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540260563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25977 + ... + 61280.

It is an arithmetic number, because the mean of its divisors is an integer number (149851072).

Almost surely, 2^1540260564 is an apocalyptic number.

It is an amenable number.

1540260564 is an abundant number, since it is smaller than the sum of its proper divisors (2056165164).

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

1540260564 is a wasteful number, since it uses less digits than its factorization.

1540260564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88735 (or 88733 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1540260564 is about 39246.1534930495. The cubic root of 1540260564 is about 1154.8654763586.

The spelling of 1540260564 in words is "one billion, five hundred forty million, two hundred sixty thousand, five hundred sixty-four".