1004000420 has 12 divisors (see below), whose sum is σ = 2108400924. Its totient is φ = 401600160.

The previous prime is 1004000411. The next prime is 1004000423. The reversal of 1004000420 is 240004001.

1004000420 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 2 ways, for example, as 130325056 + 873675364 = 11416^2 + 29558^2 .

It is not an unprimeable number, because it can be changed into a prime (1004000423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25099991 + ... + 25100030.

It is an arithmetic number, because the mean of its divisors is an integer number (175700077).

Almost surely, 2^1004000420 is an apocalyptic number.

1004000420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004000420 is an abundant number, since it is smaller than the sum of its proper divisors (1104400504).

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

1004000420 is a wasteful number, since it uses less digits than its factorization.

1004000420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50200030 (or 50200028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1004000420 is about 31685.9656630503. The cubic root of 1004000420 is about 1001.3316991236.

Adding to 1004000420 its reverse (240004001), we get a palindrome (1244004421).

The spelling of 1004000420 in words is "one billion, four million, four hundred twenty", and thus it is an aban number.