102405428226 has 40 divisors (see below), whose sum is σ = 229545535824. Its totient is φ = 34123015800.

The previous prime is 102405428207. The next prime is 102405428261. The reversal of 102405428226 is 622824504201.

102405428226 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 0 + 5 + 428 + 226 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 351001 + ... + 572723.

Almost surely, 2^102405428226 is an apocalyptic number.

102405428226 is an abundant number, since it is smaller than the sum of its proper divisors (127140107598).

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

102405428226 is a wasteful number, since it uses less digits than its factorization.

102405428226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224588 (or 224579 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 102405428226 in words is "one hundred two billion, four hundred five million, four hundred twenty-eight thousand, two hundred twenty-six".