1353440233566 has 40 divisors (see below), whose sum is σ = 3036747171744. Its totient is φ = 450545976000.

The previous prime is 1353440233559. The next prime is 1353440233589. The reversal of 1353440233566 is 6653320443531.

1353440233566 is a `hidden beast` number, since 1 + 3 + 53 + 4 + 4 + 0 + 2 + 33 + 566 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5440635 + ... + 5683958.

Almost surely, 2^{1353440233566} is an apocalyptic number.

1353440233566 is an abundant number, since it is smaller than the sum of its proper divisors (1683306938178).

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

1353440233566 is a wasteful number, since it uses less digits than its factorization.

1353440233566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11125358 (or 11125349 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 45.

The spelling of 1353440233566 in words is "one trillion, three hundred fifty-three billion, four hundred forty million, two hundred thirty-three thousand, five hundred sixty-six".