1540673118 has 24 divisors (see below), whose sum is σ = 3428346168. Its totient is φ = 499677552.

The previous prime is 1540673117. The next prime is 1540673131. The reversal of 1540673118 is 8113760451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540673117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1155996 + ... + 1157327.

It is an arithmetic number, because the mean of its divisors is an integer number (142847757).

Almost surely, 2^1540673118 is an apocalyptic number.

1540673118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1540673118 is an abundant number, since it is smaller than the sum of its proper divisors (1887673050).

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

1540673118 is a wasteful number, since it uses less digits than its factorization.

1540673118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313368 (or 2313365 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1540673118 is about 39251.4091212023. The cubic root of 1540673118 is about 1154.9685761957.

The spelling of 1540673118 in words is "one billion, five hundred forty million, six hundred seventy-three thousand, one hundred eighteen".