1346021415544 has 64 divisors (see below), whose sum is σ = 2759157707040. Its totient is φ = 611841392640.

The previous prime is 1346021415503. The next prime is 1346021415551. The reversal of 1346021415544 is 4455141206431.

It is a super-2 number, since 2×1346021415544² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1346021415497 and 1346021415506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5117784 + ... + 5374360.

Almost surely, 2^{1346021415544} 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 1346021415544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379578853520).

1346021415544 is an abundant number, since it is smaller than the sum of its proper divisors (1413136291496).

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

1346021415544 is a wasteful number, since it uses less digits than its factorization.

1346021415544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257360 (or 257356 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 1346021415544 in words is "one trillion, three hundred forty-six billion, twenty-one million, four hundred fifteen thousand, five hundred forty-four".