1420232403340 has 24 divisors (see below), whose sum is σ = 3139461102960. Its totient is φ = 538193331648.

The previous prime is 1420232403307. The next prime is 1420232403353. The reversal of 1420232403340 is 433042320241.

It is a junction number, because it is equal to n+sod(n) for n = 1420232403299 and 1420232403308.

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 7 ways as a sum of consecutive naturals, for example, 1868726467 + ... + 1868727226.

It is an arithmetic number, because the mean of its divisors is an integer number (130810879290).

Almost surely, 2^{1420232403340} is an apocalyptic number.

1420232403340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420232403340 is an abundant number, since it is smaller than the sum of its proper divisors (1719228699620).

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

1420232403340 is a wasteful number, since it uses less digits than its factorization.

1420232403340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737453721 (or 3737453719 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1420232403340 its reverse (433042320241), we get a palindrome (1853274723581).

The spelling of 1420232403340 in words is "one trillion, four hundred twenty billion, two hundred thirty-two million, four hundred three thousand, three hundred forty".