102444404 has 48 divisors (see below), whose sum is σ = 191452800. Its totient is φ = 47900160.

The previous prime is 102444403. The next prime is 102444421. The reversal of 102444404 is 404444201.

It is a self number, because there is not a number n which added to its sum of digits gives 102444404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102444403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514697 + ... + 514895.

It is an arithmetic number, because the mean of its divisors is an integer number (3988600).

Almost surely, 2^102444404 is an apocalyptic number.

It is an amenable number.

102444404 is a deficient number, since it is larger than the sum of its proper divisors (89008396).

102444404 is a wasteful number, since it uses less digits than its factorization.

102444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 102444404 is about 10121.4823025089. The cubic root of 102444404 is about 467.9104523437.

Adding to 102444404 its reverse (404444201), we get a palindrome (506888605).

The spelling of 102444404 in words is "one hundred two million, four hundred forty-four thousand, four hundred four".