4006646602442 has 8 divisors (see below), whose sum is σ = 6556330804032. Its totient is φ = 1821203001100.

The previous prime is 4006646602433. The next prime is 4006646602447. The reversal of 4006646602442 is 2442066466004.

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 = 4006646602393 and 4006646602402.

It is not an unprimeable number, because it can be changed into a prime (4006646602447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91060150034 + ... + 91060150077.

It is an arithmetic number, because the mean of its divisors is an integer number (819541350504).

Almost surely, 2^{4006646602442} is an apocalyptic number.

4006646602442 is a deficient number, since it is larger than the sum of its proper divisors (2549684201590).

4006646602442 is a wasteful number, since it uses less digits than its factorization.

4006646602442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182120300124.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 4006646602442 in words is "four trillion, six billion, six hundred forty-six million, six hundred two thousand, four hundred forty-two".