2456405842068 has 72 divisors (see below), whose sum is σ = 6258687052800. Its totient is φ = 812283655680.

The previous prime is 2456405842063. The next prime is 2456405842087. The reversal of 2456405842068 is 8602485046542.

2456405842068 is a `hidden beast` number, since 2 + 4 + 56 + 4 + 0 + 584 + 2 + 0 + 6 + 8 = 666.

2456405842068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456405842063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89967883 + ... + 89995181.

Almost surely, 2^{2456405842068} is an apocalyptic number.

It is an amenable number.

2456405842068 is an abundant number, since it is smaller than the sum of its proper divisors (3802281210732).

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

2456405842068 is a wasteful number, since it uses less digits than its factorization.

2456405842068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47117 (or 47112 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 54.

The spelling of 2456405842068 in words is "two trillion, four hundred fifty-six billion, four hundred five million, eight hundred forty-two thousand, sixty-eight".