1305440400030 has 64 divisors (see below), whose sum is σ = 3394761269760. Its totient is φ = 319367753856.

The previous prime is 1305440400029. The next prime is 1305440400059. The reversal of 1305440400030 is 300040445031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10204170 + ... + 10331309.

It is an arithmetic number, because the mean of its divisors is an integer number (53043144840).

Almost surely, 2^{1305440400030} is an apocalyptic number.

1305440400030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305440400030 is an abundant number, since it is smaller than the sum of its proper divisors (2089320869730).

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

1305440400030 is a wasteful number, since it uses less digits than its factorization.

1305440400030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20535665.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 1305440400030 its reverse (300040445031), we get a palindrome (1605480845061).

The spelling of 1305440400030 in words is "one trillion, three hundred five billion, four hundred forty million, four hundred thousand, thirty".