1540360198 has 8 divisors (see below), whose sum is σ = 2488274208. Its totient is φ = 710935464.

The previous prime is 1540360193. The next prime is 1540360219. The reversal of 1540360198 is 8910630451.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540360193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29622286 + ... + 29622337.

It is an arithmetic number, because the mean of its divisors is an integer number (311034276).

Almost surely, 2^1540360198 is an apocalyptic number.

1540360198 is a deficient number, since it is larger than the sum of its proper divisors (947914010).

1540360198 is a wasteful number, since it uses less digits than its factorization.

1540360198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59244638.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1540360198 is about 39247.4228198489. The cubic root of 1540360198 is about 1154.8903772073.

The spelling of 1540360198 in words is "one billion, five hundred forty million, three hundred sixty thousand, one hundred ninety-eight".