1540245232 has 20 divisors (see below), whose sum is σ = 3113974800. Its totient is φ = 736638848.

The previous prime is 1540245221. The next prime is 1540245247. The reversal of 1540245232 is 2325420451.

It is a self number, because there is not a number n which added to its sum of digits gives 1540245232.

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, 2092357 + ... + 2093092.

It is an arithmetic number, because the mean of its divisors is an integer number (155698740).

Almost surely, 2^1540245232 is an apocalyptic number.

It is an amenable number.

1540245232 is an abundant number, since it is smaller than the sum of its proper divisors (1573729568).

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

1540245232 is a wasteful number, since it uses less digits than its factorization.

1540245232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185480 (or 4185474 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1540245232 is about 39245.9581613190. The cubic root of 1540245232 is about 1154.8616444406.

Adding to 1540245232 its reverse (2325420451), we get a palindrome (3865665683).

The spelling of 1540245232 in words is "one billion, five hundred forty million, two hundred forty-five thousand, two hundred thirty-two".