428010720218 has 16 divisors (see below), whose sum is σ = 646140965760. Its totient is φ = 212632392000.

The previous prime is 428010720187. The next prime is 428010720259. The reversal of 428010720218 is 812027010824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67778 + ... + 927693.

It is an arithmetic number, because the mean of its divisors is an integer number (40383810360).

Almost surely, 2^428010720218 is an apocalyptic number.

428010720218 is a deficient number, since it is larger than the sum of its proper divisors (218130245542).

428010720218 is a wasteful number, since it uses less digits than its factorization.

428010720218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996853.

The product of its (nonzero) digits is 14336, while the sum is 35.

The spelling of 428010720218 in words is "four hundred twenty-eight billion, ten million, seven hundred twenty thousand, two hundred eighteen".