102440504 has 48 divisors (see below), whose sum is σ = 208260720. Its totient is φ = 47066880.

The previous prime is 102440501. The next prime is 102440537. The reversal of 102440504 is 405044201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102440501) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 994517 + ... + 994619.

It is an arithmetic number, because the mean of its divisors is an integer number (4338765).

Almost surely, 2^102440504 is an apocalyptic number.

It is an amenable number.

102440504 is an abundant number, since it is smaller than the sum of its proper divisors (105820216).

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

102440504 is a wasteful number, since it uses less digits than its factorization.

102440504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 102440504 is about 10121.2896411475. The cubic root of 102440504 is about 467.9045145737.

Adding to 102440504 its reverse (405044201), we get a palindrome (507484705).

The spelling of 102440504 in words is "one hundred two million, four hundred forty thousand, five hundred four".