1540646530041 has 16 divisors (see below), whose sum is σ = 2199468945600. Its totient is φ = 955818597888.

The previous prime is 1540646530039. The next prime is 1540646530061. The reversal of 1540646530041 is 1400356460451.

It is not a de Polignac number, because 1540646530041 - 2¹ = 1540646530039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1540646530061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169707571 + ... + 169716648.

It is an arithmetic number, because the mean of its divisors is an integer number (137466809100).

Almost surely, 2^{1540646530041} is an apocalyptic number.

It is an amenable number.

1540646530041 is a deficient number, since it is larger than the sum of its proper divisors (658822415559).

1540646530041 is a wasteful number, since it uses less digits than its factorization.

1540646530041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339424328.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1540646530041 in words is "one trillion, five hundred forty billion, six hundred forty-six million, five hundred thirty thousand, forty-one".