1540541712 has 80 divisors (see below), whose sum is σ = 4169376000. Its totient is φ = 489495552.

The previous prime is 1540541707. The next prime is 1540541747. The reversal of 1540541712 is 2171450451.

It is a self number, because there is not a number n which added to its sum of digits gives 1540541712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102964 + ... + 116972.

It is an arithmetic number, because the mean of its divisors is an integer number (52117200).

Almost surely, 2^1540541712 is an apocalyptic number.

1540541712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1540541712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084688000).

1540541712 is an abundant number, since it is smaller than the sum of its proper divisors (2628834288).

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

1540541712 is a wasteful number, since it uses less digits than its factorization.

1540541712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14128 (or 14122 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 1540541712 is about 39249.7351838200. The cubic root of 1540541712 is about 1154.9357390083.

The spelling of 1540541712 in words is "one billion, five hundred forty million, five hundred forty-one thousand, seven hundred twelve".