4284640781158 has 16 divisors (see below), whose sum is σ = 6489812852640. Its totient is φ = 2121372740736.

The previous prime is 4284640781137. The next prime is 4284640781159. The reversal of 4284640781158 is 8511870464824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4284640781159) 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, 2253678 + ... + 3694366.

It is an arithmetic number, because the mean of its divisors is an integer number (405613303290).

Almost surely, 2^{4284640781158} is an apocalyptic number.

4284640781158 is a deficient number, since it is larger than the sum of its proper divisors (2205172071482).

4284640781158 is a wasteful number, since it uses less digits than its factorization.

4284640781158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455231.

The product of its (nonzero) digits is 13762560, while the sum is 58.

The spelling of 4284640781158 in words is "four trillion, two hundred eighty-four billion, six hundred forty million, seven hundred eighty-one thousand, one hundred fifty-eight".