428154872502 has 16 divisors (see below), whose sum is σ = 978639708672. Its totient is φ = 122329963560.

The previous prime is 428154872491. The next prime is 428154872527. The reversal of 428154872502 is 205278451824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5097081774 + ... + 5097081857.

It is an arithmetic number, because the mean of its divisors is an integer number (61164981792).

Almost surely, 2^428154872502 is an apocalyptic number.

428154872502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

428154872502 is an abundant number, since it is smaller than the sum of its proper divisors (550484836170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428154872502 is a wasteful number, since it uses less digits than its factorization.

428154872502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194163643.

The product of its (nonzero) digits is 1433600, while the sum is 48.

The spelling of 428154872502 in words is "four hundred twenty-eight billion, one hundred fifty-four million, eight hundred seventy-two thousand, five hundred two".