2540795729 has 16 divisors (see below), whose sum is σ = 2723040000. Its totient is φ = 2363541120.

The previous prime is 2540795711. The next prime is 2540795731. The reversal of 2540795729 is 9275970452.

It is a cyclic number.

It is not a de Polignac number, because 2540795729 - 2¹² = 2540791633 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2540795759) 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, 831797 + ... + 834845.

It is an arithmetic number, because the mean of its divisors is an integer number (170190000).

Almost surely, 2^2540795729 is an apocalyptic number.

It is an amenable number.

2540795729 is a deficient number, since it is larger than the sum of its proper divisors (182244271).

2540795729 is a wasteful number, since it uses less digits than its factorization.

2540795729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 2540795729 is about 50406.3064407620. The cubic root of 2540795729 is about 1364.5514551753.

The spelling of 2540795729 in words is "two billion, five hundred forty million, seven hundred ninety-five thousand, seven hundred twenty-nine".