1955840110 has 16 divisors (see below), whose sum is σ = 4023442656. Its totient is φ = 670573728.

The previous prime is 1955840077. The next prime is 1955840111. The reversal of 1955840110 is 110485591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955840111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13970217 + ... + 13970356.

It is an arithmetic number, because the mean of its divisors is an integer number (251465166).

Almost surely, 2^1955840110 is an apocalyptic number.

1955840110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1955840110 is an abundant number, since it is smaller than the sum of its proper divisors (2067602546).

1955840110 is a wasteful number, since it uses less digits than its factorization.

1955840110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27940587.

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 1955840110 is about 44224.8811191166. The cubic root of 1955840110 is about 1250.5789552739.

The spelling of 1955840110 in words is "one billion, nine hundred fifty-five million, eight hundred forty thousand, one hundred ten".