1343449670400 has 540 divisors, whose sum is σ = 5259576849912. Its totient is φ = 337177313280.

The previous prime is 1343449670341. The next prime is 1343449670441. The reversal of 1343449670400 is 40769443431.

1343449670400 is a `hidden beast` number, since 13 + 43 + 4 + 496 + 70 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (540).

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 59 ways as a sum of consecutive naturals, for example, 8736579 + ... + 8889021.

Almost surely, 2^{1343449670400} is an apocalyptic number.

1343449670400 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 1343449670400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2629788424956).

1343449670400 is an abundant number, since it is smaller than the sum of its proper divisors (3916127179512).

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

1343449670400 is a wasteful number, since it uses less digits than its factorization.

1343449670400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152498 (or 152470 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 1343449670400 in words is "one trillion, three hundred forty-three billion, four hundred forty-nine million, six hundred seventy thousand, four hundred".