63940110 has 64 divisors (see below), whose sum is σ = 167795712. Its totient is φ = 15497856.

The previous prime is 63940091. The next prime is 63940117. The reversal of 63940110 is 1104936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63940117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24907 + ... + 27353.

It is an arithmetic number, because the mean of its divisors is an integer number (2621808).

Almost surely, 2^63940110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63940110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83897856).

63940110 is an abundant number, since it is smaller than the sum of its proper divisors (103855602).

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

63940110 is a wasteful number, since it uses less digits than its factorization.

63940110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 63940110 is about 7996.2559989035. The cubic root of 63940110 is about 399.8751902270.

The spelling of 63940110 in words is "sixty-three million, nine hundred forty thousand, one hundred ten".