1305020400430 has 16 divisors (see below), whose sum is σ = 2451168752544. Its totient is φ = 499312153120.

The previous prime is 1305020400377. The next prime is 1305020400433. The reversal of 1305020400430 is 340040205031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305020400433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837000641 + ... + 2837001100.

It is an arithmetic number, because the mean of its divisors is an integer number (153198047034).

Almost surely, 2^{1305020400430} is an apocalyptic number.

1305020400430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305020400430 is a deficient number, since it is larger than the sum of its proper divisors (1146148352114).

1305020400430 is a wasteful number, since it uses less digits than its factorization.

1305020400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674001771.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 1305020400430 its reverse (340040205031), we get a palindrome (1645060605461).

The spelling of 1305020400430 in words is "one trillion, three hundred five billion, twenty million, four hundred thousand, four hundred thirty".