4577344642 has 8 divisors (see below), whose sum is σ = 7394172156. Its totient is φ = 2112620592.

The previous prime is 4577344637. The next prime is 4577344669. The reversal of 4577344642 is 2464437754.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3935178361 + 642166281 = 62731^2 + 25341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4577344642² = 41904167943292216328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4577344592 and 4577344601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88025833 + ... + 88025884.

Almost surely, 2^4577344642 is an apocalyptic number.

4577344642 is a deficient number, since it is larger than the sum of its proper divisors (2816827514).

4577344642 is a wasteful number, since it uses less digits than its factorization.

4577344642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176051732.

The product of its digits is 2257920, while the sum is 46.

The square root of 4577344642 is about 67656.0761646727. The cubic root of 4577344642 is about 1660.3686994934.

The spelling of 4577344642 in words is "four billion, five hundred seventy-seven million, three hundred forty-four thousand, six hundred forty-two".