102304221440042 has 16 divisors (see below), whose sum is σ = 162624097385352. Its totient is φ = 48101408317440.

The previous prime is 102304221440041. The next prime is 102304221440053. The reversal of 102304221440042 is 240044122403201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 102179972944921 + 124248495121 = 10108411^2 + 352489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102304221439987 and 102304221440014.

It is not an unprimeable number, because it can be changed into a prime (102304221440041) 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, 1304795009 + ... + 1304873412.

Almost surely, 2^{102304221440042} is an apocalyptic number.

102304221440042 is a deficient number, since it is larger than the sum of its proper divisors (60319875945310).

102304221440042 is a wasteful number, since it uses less digits than its factorization.

102304221440042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609669593.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 102304221440042 its reverse (240044122403201), we get a palindrome (342348343843243).

The spelling of 102304221440042 in words is "one hundred two trillion, three hundred four billion, two hundred twenty-one million, four hundred forty thousand, forty-two".