102302040544 has 96 divisors (see below), whose sum is σ = 227462860800. Its totient is φ = 44870284800.

The previous prime is 102302040539. The next prime is 102302040587. The reversal of 102302040544 is 445040203201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3794857 + ... + 3821719.

It is an arithmetic number, because the mean of its divisors is an integer number (2369404800).

Almost surely, 2^102302040544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102302040544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113731430400).

102302040544 is an abundant number, since it is smaller than the sum of its proper divisors (125160820256).

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

102302040544 is a wasteful number, since it uses less digits than its factorization.

102302040544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27264 (or 27256 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 102302040544 its reverse (445040203201), we get a palindrome (547342243745).

The spelling of 102302040544 in words is "one hundred two billion, three hundred two million, forty thousand, five hundred forty-four".