66062440442 has 8 divisors (see below), whose sum is σ = 99274820736. Its totient is φ = 32970833532.

The previous prime is 66062440421. The next prime is 66062440459. The reversal of 66062440442 is 24404426066.

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

It is a junction number, because it is equal to n+sod(n) for n = 66062440396 and 66062440405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30191978 + ... + 30194165.

It is an arithmetic number, because the mean of its divisors is an integer number (12409352592).

Almost surely, 2^66062440442 is an apocalyptic number.

66062440442 is a deficient number, since it is larger than the sum of its proper divisors (33212380294).

66062440442 is a wasteful number, since it uses less digits than its factorization.

66062440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60386692.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 66062440442 in words is "sixty-six billion, sixty-two million, four hundred forty thousand, four hundred forty-two".