2455665542 has 32 divisors (see below), whose sum is σ = 4103508384. Its totient is φ = 1092787200.

The previous prime is 2455665529. The next prime is 2455665547.

2455665542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2455665493 and 2455665502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455665547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214442 + ... + 225602.

It is an arithmetic number, because the mean of its divisors is an integer number (128234637).

Almost surely, 2^2455665542 is an apocalyptic number.

2455665542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2455665542 is a deficient number, since it is larger than the sum of its proper divisors (1647842842).

2455665542 is a wasteful number, since it uses less digits than its factorization.

2455665542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11384.

The product of its digits is 1440000, while the sum is 44.

The square root of 2455665542 is about 49554.6722519683. The cubic root of 2455665542 is about 1349.1380949199.

The spelling of 2455665542 in words is "two billion, four hundred fifty-five million, six hundred sixty-five thousand, five hundred forty-two".