428398007498 has 32 divisors (see below), whose sum is σ = 710182753920. Its totient is φ = 192778629120.

The previous prime is 428398007497. The next prime is 428398007503. The reversal of 428398007498 is 894700893824.

It is a self number, because there is not a number n which added to its sum of digits gives 428398007498.

It is not an unprimeable number, because it can be changed into a prime (428398007497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2715818 + ... + 2869226.

It is an arithmetic number, because the mean of its divisors is an integer number (22193211060).

Almost surely, 2^428398007498 is an apocalyptic number.

428398007498 is a deficient number, since it is larger than the sum of its proper divisors (281784746422).

428398007498 is a wasteful number, since it uses less digits than its factorization.

428398007498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157022.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 428398007498 in words is "four hundred twenty-eight billion, three hundred ninety-eight million, seven thousand, four hundred ninety-eight".