1430420420340 has 36 divisors (see below), whose sum is σ = 4338941942244. Its totient is φ = 381445445376.

The previous prime is 1430420420327. The next prime is 1430420420399. The reversal of 1430420420340 is 430240240341.

It is a happy number.

1430420420340 is a `hidden beast` number, since 1 + 4 + 30 + 420 + 4 + 203 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 735844858596 + 694575561744 = 857814^2 + 833412^2 .

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

It is a super-2 number, since 2×1430420420340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3973389877 + ... + 3973390236.

Almost surely, 2^{1430420420340} is an apocalyptic number.

1430420420340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430420420340 is an abundant number, since it is smaller than the sum of its proper divisors (2908521521904).

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

1430420420340 is a wasteful number, since it uses less digits than its factorization.

1430420420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946780128 (or 7946780123 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1430420420340 its reverse (430240240341), we get a palindrome (1860660660681).

The spelling of 1430420420340 in words is "one trillion, four hundred thirty billion, four hundred twenty million, four hundred twenty thousand, three hundred forty".