1430420004 has 36 divisors (see below), whose sum is σ = 3893922396. Its totient is φ = 440129088.

The previous prime is 1430419999. The next prime is 1430420023. The reversal of 1430420004 is 4000240341.

It can be written as a sum of positive squares in 2 ways, for example, as 383768100 + 1046651904 = 19590^2 + 32352^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1430420004² = 4092202775686720032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1527759 + ... + 1528694.

It is an arithmetic number, because the mean of its divisors is an integer number (108164511).

Almost surely, 2^1430420004 is an apocalyptic number.

It is an amenable number.

1430420004 is an abundant number, since it is smaller than the sum of its proper divisors (2463502392).

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

1430420004 is a wasteful number, since it uses less digits than its factorization.

1430420004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056476 (or 3056471 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1430420004 is about 37820.8937493550. The cubic root of 1430420004 is about 1126.7334603601.

Adding to 1430420004 its reverse (4000240341), we get a palindrome (5430660345).

The spelling of 1430420004 in words is "one billion, four hundred thirty million, four hundred twenty thousand, four".