428420988992 has 14 divisors (see below), whose sum is σ = 850147900158. Its totient is φ = 214210494464.

The previous prime is 428420988967. The next prime is 428420989021. The reversal of 428420988992 is 299889024824.

It can be written as a sum of positive squares in only one way, i.e., 397636181056 + 30784807936 = 630584^2 + 175456^2 .

It is a super-4 number, since 4×428420988992⁴ (a number of 48 digits) contains 4444 as substring.

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 as a sum of consecutive naturals, namely, 3347038913 + ... + 3347039040.

Almost surely, 2^428420988992 is an apocalyptic number.

It is an amenable number.

428420988992 is a deficient number, since it is larger than the sum of its proper divisors (421726911166).

428420988992 is an equidigital number, since it uses as much as digits as its factorization.

428420988992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6694077965 (or 6694077955 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 65.

The spelling of 428420988992 in words is "four hundred twenty-eight billion, four hundred twenty million, nine hundred eighty-eight thousand, nine hundred ninety-two".