24665556642 has 16 divisors (see below), whose sum is σ = 50664387072. Its totient is φ = 7999639920.

The previous prime is 24665556631. The next prime is 24665556653.

24665556642 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (24665556631) and next prime (24665556653).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55552834 + ... + 55553277.

It is an arithmetic number, because the mean of its divisors is an integer number (3166524192).

Almost surely, 2^24665556642 is an apocalyptic number.

24665556642 is an abundant number, since it is smaller than the sum of its proper divisors (25998830430).

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

24665556642 is a wasteful number, since it uses less digits than its factorization.

24665556642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111106153.

The product of its digits is 10368000, while the sum is 51.

The spelling of 24665556642 in words is "twenty-four billion, six hundred sixty-five million, five hundred fifty-six thousand, six hundred forty-two".