1540673041 has 4 divisors (see below), whose sum is σ = 1548739584. Its totient is φ = 1532606500.

The previous prime is 1540673039. The next prime is 1540673051. The reversal of 1540673041 is 1403760451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1540673041 - 2¹ = 1540673039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1540672994 and 1540673012.

It is not an unprimeable number, because it can be changed into a prime (1540673051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4032985 + ... + 4033366.

It is an arithmetic number, because the mean of its divisors is an integer number (387184896).

Almost surely, 2^1540673041 is an apocalyptic number.

It is an amenable number.

1540673041 is a deficient number, since it is larger than the sum of its proper divisors (8066543).

1540673041 is an equidigital number, since it uses as much as digits as its factorization.

1540673041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066542.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1540673041 is about 39251.4081403457. The cubic root of 1540673041 is about 1154.9685569547.

The spelling of 1540673041 in words is "one billion, five hundred forty million, six hundred seventy-three thousand, forty-one".