128046652442 has 8 divisors (see below), whose sum is σ = 203368212756. Its totient is φ = 60257248192.

The previous prime is 128046652429. The next prime is 128046652477. The reversal of 128046652442 is 244256640821.

It can be written as a sum of positive squares in 2 ways, for example, as 123686559481 + 4360092961 = 351691^2 + 66031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 128046652393 and 128046652402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883038973 + ... + 1883039040.

Almost surely, 2^128046652442 is an apocalyptic number.

128046652442 is a deficient number, since it is larger than the sum of its proper divisors (75321560314).

128046652442 is a wasteful number, since it uses less digits than its factorization.

128046652442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766078032.

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 128046652442 in words is "one hundred twenty-eight billion, forty-six million, six hundred fifty-two thousand, four hundred forty-two".