1304280670434 has 192 divisors, whose sum is σ = 3181360914432. Its totient is φ = 355029696000.

The previous prime is 1304280670417. The next prime is 1304280670481. The reversal of 1304280670434 is 4340760824031.

It is a super-2 number, since 2×1304280670434² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155507989 + ... + 155516375.

It is an arithmetic number, because the mean of its divisors is an integer number (16569588096).

Almost surely, 2^{1304280670434} is an apocalyptic number.

1304280670434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304280670434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590680457216).

1304280670434 is an abundant number, since it is smaller than the sum of its proper divisors (1877080243998).

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

1304280670434 is a wasteful number, since it uses less digits than its factorization.

1304280670434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701 (or 8694 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 1304280670434 in words is "one trillion, three hundred four billion, two hundred eighty million, six hundred seventy thousand, four hundred thirty-four".