1305424423044 has 144 divisors (see below), whose sum is σ = 3849965683200. Its totient is φ = 372806300160.

The previous prime is 1305424423027. The next prime is 1305424423057. The reversal of 1305424423044 is 4403244245031.

1305424423044 is a `hidden beast` number, since 1 + 3 + 0 + 542 + 4 + 42 + 30 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28043749 + ... + 28090259.

It is an arithmetic number, because the mean of its divisors is an integer number (26735872800).

Almost surely, 2^{1305424423044} is an apocalyptic number.

1305424423044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1305424423044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1924982841600).

1305424423044 is an abundant number, since it is smaller than the sum of its proper divisors (2544541260156).

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

1305424423044 is a wasteful number, since it uses less digits than its factorization.

1305424423044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48815 (or 48796 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 1305424423044 its reverse (4403244245031), we get a palindrome (5708668668075).

The spelling of 1305424423044 in words is "one trillion, three hundred five billion, four hundred twenty-four million, four hundred twenty-three thousand, forty-four".