1345392251280 has 600 divisors, whose sum is σ = 5929808860800. Its totient is φ = 279561300480.

The previous prime is 1345392251243. The next prime is 1345392251383. The reversal of 1345392251280 is 821522935431.

1345392251280 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 39 + 22 + 512 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3300121 + ... + 3685319.

It is an arithmetic number, because the mean of its divisors is an integer number (9883014768).

Almost surely, 2^{1345392251280} is an apocalyptic number.

1345392251280 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 1345392251280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2964904430400).

1345392251280 is an abundant number, since it is smaller than the sum of its proper divisors (4584416609520).

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

1345392251280 is a wasteful number, since it uses less digits than its factorization.

1345392251280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385249 (or 385227 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 1345392251280 in words is "one trillion, three hundred forty-five billion, three hundred ninety-two million, two hundred fifty-one thousand, two hundred eighty".