1905640096 has 12 divisors (see below), whose sum is σ = 3751729002. Its totient is φ = 952820032.

The previous prime is 1905640057. The next prime is 1905640103. The reversal of 1905640096 is 6900465091.

It can be written as a sum of positive squares in only one way, i.e., 1268784400 + 636855696 = 35620^2 + 25236^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29775595 + ... + 29775658.

Almost surely, 2^1905640096 is an apocalyptic number.

1905640096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1905640096 is a deficient number, since it is larger than the sum of its proper divisors (1846088906).

1905640096 is an equidigital number, since it uses as much as digits as its factorization.

1905640096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59551263 (or 59551255 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1905640096 is about 43653.6378323731. The cubic root of 1905640096 is about 1239.7866646517.

The spelling of 1905640096 in words is "one billion, nine hundred five million, six hundred forty thousand, ninety-six".