1345450516240 has 160 divisors (see below), whose sum is σ = 3214833023232. Its totient is φ = 523480320000.

The previous prime is 1345450516229. The next prime is 1345450516303. The reversal of 1345450516240 is 426150545431.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1345450516193 and 1345450516202.

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, 754598389 + ... + 754600171.

Almost surely, 2^{1345450516240} is an apocalyptic number.

1345450516240 is a gapful number since it is divisible by the number (10) 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 1345450516240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607416511616).

1345450516240 is an abundant number, since it is smaller than the sum of its proper divisors (1869382506992).

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

1345450516240 is a wasteful number, since it uses less digits than its factorization.

1345450516240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 1345450516240 in words is "one trillion, three hundred forty-five billion, four hundred fifty million, five hundred sixteen thousand, two hundred forty".