1540252232230 has 32 divisors (see below), whose sum is σ = 2865556237824. Its totient is φ = 595727379936.

The previous prime is 1540252232227. The next prime is 1540252232263. The reversal of 1540252232230 is 322322520451.

It is a junction number, because it is equal to n+sod(n) for n = 1540252232192 and 1540252232201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19702752 + ... + 19780771.

It is an arithmetic number, because the mean of its divisors is an integer number (89548632432).

Almost surely, 2^{1540252232230} is an apocalyptic number.

1540252232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540252232230 is a deficient number, since it is larger than the sum of its proper divisors (1325304005594).

1540252232230 is a wasteful number, since it uses less digits than its factorization.

1540252232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39483660.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 1540252232230 its reverse (322322520451), we get a palindrome (1862574752681).

The spelling of 1540252232230 in words is "one trillion, five hundred forty billion, two hundred fifty-two million, two hundred thirty-two thousand, two hundred thirty".