428106081950 has 48 divisors (see below), whose sum is σ = 840522096000. Its totient is φ = 161777651040.

The previous prime is 428106081943. The next prime is 428106081961. The reversal of 428106081950 is 59180601824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286580 + ... + 968679.

It is an arithmetic number, because the mean of its divisors is an integer number (17510877000).

Almost surely, 2^428106081950 is an apocalyptic number.

428106081950 is a deficient number, since it is larger than the sum of its proper divisors (412416014050).

428106081950 is a wasteful number, since it uses less digits than its factorization.

428106081950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255649 (or 1255644 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 428106081950 in words is "four hundred twenty-eight billion, one hundred six million, eighty-one thousand, nine hundred fifty".