1540614242 has 8 divisors (see below), whose sum is σ = 2314137600. Its totient is φ = 769235044.

The previous prime is 1540614203. The next prime is 1540614263. The reversal of 1540614242 is 2424160451.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 534242 + ... + 537117.

It is an arithmetic number, because the mean of its divisors is an integer number (289267200).

Almost surely, 2^1540614242 is an apocalyptic number.

1540614242 is a deficient number, since it is larger than the sum of its proper divisors (773523358).

1540614242 is a wasteful number, since it uses less digits than its factorization.

1540614242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072080.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1540614242 is about 39250.6591282236. The cubic root of 1540614242 is about 1154.9538638393.

Adding to 1540614242 its reverse (2424160451), we get a palindrome (3964774693).

The spelling of 1540614242 in words is "one billion, five hundred forty million, six hundred fourteen thousand, two hundred forty-two".