102244040 has 16 divisors (see below), whose sum is σ = 230049180. Its totient is φ = 40897600.

The previous prime is 102244031. The next prime is 102244057. The reversal of 102244040 is 40442201.

It can be written as a sum of positive squares in 2 ways, for example, as 82119844 + 20124196 = 9062^2 + 4486^2 .

It is an unprimeable number.

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, 1278011 + ... + 1278090.

Almost surely, 2^102244040 is an apocalyptic number.

102244040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102244040 is an abundant number, since it is smaller than the sum of its proper divisors (127805140).

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

102244040 is a wasteful number, since it uses less digits than its factorization.

102244040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556112 (or 2556108 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 102244040 is about 10111.5795007506. The cubic root of 102244040 is about 467.6052019053.

Adding to 102244040 its reverse (40442201), we get a palindrome (142686241).

The spelling of 102244040 in words is "one hundred two million, two hundred forty-four thousand, forty".