1540536255 has 48 divisors (see below), whose sum is σ = 2809445184. Its totient is φ = 779880960.

The previous prime is 1540536199. The next prime is 1540536259. The reversal of 1540536255 is 5526350451.

1540536255 is a `hidden beast` number, since 1 + 540 + 5 + 3 + 62 + 55 = 666.

It is not a de Polignac number, because 1540536255 - 2⁹ = 1540535743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540536259) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56982 + ... + 79548.

It is an arithmetic number, because the mean of its divisors is an integer number (58530108).

Almost surely, 2^1540536255 is an apocalyptic number.

1540536255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1540536255 is a deficient number, since it is larger than the sum of its proper divisors (1268908929).

1540536255 is a wasteful number, since it uses less digits than its factorization.

1540536255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22656 (or 22653 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 1540536255 is about 39249.6656673659. The cubic root of 1540536255 is about 1154.9343753123.

The spelling of 1540536255 in words is "one billion, five hundred forty million, five hundred thirty-six thousand, two hundred fifty-five".