1544426968568 has 64 divisors (see below), whose sum is σ = 3202801192800. Its totient is φ = 692293754880.

The previous prime is 1544426968543. The next prime is 1544426968619. The reversal of 1544426968568 is 8658696244451.

It is a super-2 number, since 2×1544426968568² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1544426968498 and 1544426968507.

It is a congruent number.

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, 58914248 + ... + 58940456.

Almost surely, 2^{1544426968568} 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 1544426968568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601400596400).

1544426968568 is an abundant number, since it is smaller than the sum of its proper divisors (1658374224232).

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

1544426968568 is a wasteful number, since it uses less digits than its factorization.

1544426968568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35472 (or 35468 counting only the distinct ones).

The product of its digits is 398131200, while the sum is 68.

The spelling of 1544426968568 in words is "one trillion, five hundred forty-four billion, four hundred twenty-six million, nine hundred sixty-eight thousand, five hundred sixty-eight".