1540232860 has 12 divisors (see below), whose sum is σ = 3234489048. Its totient is φ = 616093136.

The previous prime is 1540232857. The next prime is 1540232873. The reversal of 1540232860 is 682320451.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38505802 + ... + 38505841.

It is an arithmetic number, because the mean of its divisors is an integer number (269540754).

Almost surely, 2^1540232860 is an apocalyptic number.

1540232860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1540232860 is an abundant number, since it is smaller than the sum of its proper divisors (1694256188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1540232860 is a wasteful number, since it uses less digits than its factorization.

1540232860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77011652 (or 77011650 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1540232860 is about 39245.8005396756. The cubic root of 1540232860 is about 1154.8585522952.

The spelling of 1540232860 in words is "one billion, five hundred forty million, two hundred thirty-two thousand, eight hundred sixty".