1540829829 has 16 divisors (see below), whose sum is σ = 2561379840. Its totient is φ = 800430960.

The previous prime is 1540829819. The next prime is 1540829837. The reversal of 1540829829 is 9289280451.

It is not a de Polignac number, because 1540829829 - 2⁷ = 1540829701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540829819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3334899 + ... + 3335360.

It is an arithmetic number, because the mean of its divisors is an integer number (160086240).

Almost surely, 2^1540829829 is an apocalyptic number.

It is an amenable number.

1540829829 is a deficient number, since it is larger than the sum of its proper divisors (1020550011).

1540829829 is a wasteful number, since it uses less digits than its factorization.

1540829829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670280.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1540829829 is about 39253.4053172460. The cubic root of 1540829829 is about 1155.0077344359.

The spelling of 1540829829 in words is "one billion, five hundred forty million, eight hundred twenty-nine thousand, eight hundred twenty-nine".