1345446604240 has 40 divisors (see below), whose sum is σ = 3128265135360. Its totient is φ = 538161131136.

The previous prime is 1345446604237. The next prime is 1345446604261. The reversal of 1345446604240 is 424066445431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357701 + ... + 2872219.

It is an arithmetic number, because the mean of its divisors is an integer number (78206628384).

Almost surely, 2^{1345446604240} is an apocalyptic number.

1345446604240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345446604240 is an abundant number, since it is smaller than the sum of its proper divisors (1782818531120).

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

1345446604240 is a wasteful number, since it uses less digits than its factorization.

1345446604240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547219 (or 547213 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 1345446604240 in words is "one trillion, three hundred forty-five billion, four hundred forty-six million, six hundred four thousand, two hundred forty".