427988320000 has 90 divisors (see below), whose sum is σ = 1067539690448. Its totient is φ = 171195264000.

The previous prime is 427988319973. The next prime is 427988320069. The reversal of 427988320000 is 23889724.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1177464 + ... + 1497463.

Almost surely, 2^427988320000 is an apocalyptic number.

427988320000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427988320000 is an abundant number, since it is smaller than the sum of its proper divisors (639551370448).

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

427988320000 is an frugal number, since it uses more digits than its factorization.

427988320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674963 (or 2674934 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 427988320000 in words is "four hundred twenty-seven billion, nine hundred eighty-eight million, three hundred twenty thousand".