2406505442556 has 12 divisors (see below), whose sum is σ = 5615179365992. Its totient is φ = 802168480848.

The previous prime is 2406505442519. The next prime is 2406505442609. The reversal of 2406505442556 is 6552445056042.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100271060095 + ... + 100271060118.

Almost surely, 2^{2406505442556} is an apocalyptic number.

It is an amenable number.

2406505442556 is an abundant number, since it is smaller than the sum of its proper divisors (3208673923436).

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

2406505442556 is a wasteful number, since it uses less digits than its factorization.

2406505442556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200542120220 (or 200542120218 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 2406505442556 in words is "two trillion, four hundred six billion, five hundred five million, four hundred forty-two thousand, five hundred fifty-six".