428019350378 has 16 divisors (see below), whose sum is σ = 646776900000. Its totient is φ = 212427664752.

The previous prime is 428019350359. The next prime is 428019350413. The reversal of 428019350378 is 873053910824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266548 + ... + 1568496.

It is an arithmetic number, because the mean of its divisors is an integer number (40423556250).

Almost surely, 2^428019350378 is an apocalyptic number.

428019350378 is a deficient number, since it is larger than the sum of its proper divisors (218757549622).

428019350378 is a wasteful number, since it uses less digits than its factorization.

428019350378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307189.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 428019350378 in words is "four hundred twenty-eight billion, nineteen million, three hundred fifty thousand, three hundred seventy-eight".