2503666042 has 16 divisors (see below), whose sum is σ = 3815474112. Its totient is φ = 1231907040.

The previous prime is 2503666027. The next prime is 2503666049. The reversal of 2503666042 is 2406663052.

It is a junction number, because it is equal to n+sod(n) for n = 2503665989 and 2503666007.

It is not an unprimeable number, because it can be changed into a prime (2503666049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61558 + ... + 93790.

It is an arithmetic number, because the mean of its divisors is an integer number (238467132).

Almost surely, 2^2503666042 is an apocalyptic number.

2503666042 is a deficient number, since it is larger than the sum of its proper divisors (1311808070).

2503666042 is a wasteful number, since it uses less digits than its factorization.

2503666042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32853.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2503666042 is about 50036.6469899813. The cubic root of 2503666042 is about 1357.8718955481.

The spelling of 2503666042 in words is "two billion, five hundred three million, six hundred sixty-six thousand, forty-two".