2456666542 has 32 divisors (see below), whose sum is σ = 4106880000. Its totient is φ = 1092722400.

The previous prime is 2456666521. The next prime is 2456666551.

2456666542 is nontrivially palindromic in base 10.

2456666542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2456666492 and 2456666501.

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, 262459 + ... + 271657.

It is an arithmetic number, because the mean of its divisors is an integer number (128340000).

Almost surely, 2^2456666542 is an apocalyptic number.

2456666542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2456666542 is a deficient number, since it is larger than the sum of its proper divisors (1650213458).

2456666542 is a wasteful number, since it uses less digits than its factorization.

2456666542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472.

The product of its digits is 2073600, while the sum is 46.

The square root of 2456666542 is about 49564.7711787314. The cubic root of 2456666542 is about 1349.3213858652.

The spelling of 2456666542 in words is "two billion, four hundred fifty-six million, six hundred sixty-six thousand, five hundred forty-two".