1304354450040 has 64 divisors (see below), whose sum is σ = 3915495914400. Its totient is φ = 347611625472.

The previous prime is 1304354449999. The next prime is 1304354450071. The reversal of 1304354450040 is 400544534031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1304354449983 and 1304354450010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3184677 + ... + 3570836.

Almost surely, 2^{1304354450040} is an apocalyptic number.

1304354450040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304354450040 is an abundant number, since it is smaller than the sum of its proper divisors (2611141464360).

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

1304354450040 is a wasteful number, since it uses less digits than its factorization.

1304354450040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757136 (or 6757132 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 1304354450040 its reverse (400544534031), we get a palindrome (1704898984071).

The spelling of 1304354450040 in words is "one trillion, three hundred four billion, three hundred fifty-four million, four hundred fifty thousand, forty".