1343990544 has 80 divisors (see below), whose sum is σ = 3754384704. Its totient is φ = 411840000.

The previous prime is 1343990519. The next prime is 1343990563. The reversal of 1343990544 is 4450993431.

It is a super-2 number, since 2×1343990544² = 3612621164722831872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1343990496 and 1343990505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152334 + ... + 160914.

Almost surely, 2^1343990544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343990544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877192352).

1343990544 is an abundant number, since it is smaller than the sum of its proper divisors (2410394160).

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

1343990544 is a wasteful number, since it uses less digits than its factorization.

1343990544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856 (or 8850 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 1343990544 is about 36660.4765926467. The cubic root of 1343990544 is about 1103.5670824127.

The spelling of 1343990544 in words is "one billion, three hundred forty-three million, nine hundred ninety thousand, five hundred forty-four".