427400000 has 84 divisors (see below), whose sum is σ = 1060580556. Its totient is φ = 170880000.

The previous prime is 427399969. The next prime is 427400021. The reversal of 427400000 is 4724.

It can be written as a sum of positive squares in 6 ways, for example, as 418447936 + 8952064 = 20456^2 + 2992^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198932 + ... + 201068.

It is an arithmetic number, because the mean of its divisors is an integer number (12625959).

Almost surely, 2^427400000 is an apocalyptic number.

427400000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530290278).

427400000 is an abundant number, since it is smaller than the sum of its proper divisors (633180556).

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

427400000 is an frugal number, since it uses more digits than its factorization.

427400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 427400000 is about 20673.6547325334. The cubic root of 427400000 is about 753.2598844168.

Adding to 427400000 its reverse (4724), we get a palindrome (427404724).

The spelling of 427400000 in words is "four hundred twenty-seven million, four hundred thousand".