1344891480 has 32 divisors (see below), whose sum is σ = 4034674800. Its totient is φ = 358637696.

The previous prime is 1344891473. The next prime is 1344891481. The reversal of 1344891480 is 841984431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344891481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5603595 + ... + 5603834.

Almost surely, 2^1344891480 is an apocalyptic number.

1344891480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344891480 is an abundant number, since it is smaller than the sum of its proper divisors (2689783320).

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

1344891480 is a wasteful number, since it uses less digits than its factorization.

1344891480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11207443 (or 11207439 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 1344891480 is about 36672.7620994111. The cubic root of 1344891480 is about 1103.8136171914.

The spelling of 1344891480 in words is "one billion, three hundred forty-four million, eight hundred ninety-one thousand, four hundred eighty".