1540265264 has 20 divisors (see below), whose sum is σ = 2985615456. Its totient is φ = 769783872.

The previous prime is 1540265227. The next prime is 1540265273. The reversal of 1540265264 is 4625620451.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 16697 + ... + 57959.

Almost surely, 2^1540265264 is an apocalyptic number.

It is an amenable number.

1540265264 is a deficient number, since it is larger than the sum of its proper divisors (1445350192).

1540265264 is a wasteful number, since it uses less digits than its factorization.

1540265264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43604 (or 43598 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1540265264 is about 39246.2133714834. The cubic root of 1540265264 is about 1154.8666510218.

The spelling of 1540265264 in words is "one billion, five hundred forty million, two hundred sixty-five thousand, two hundred sixty-four".