4406661457 has 16 divisors (see below), whose sum is σ = 4932956160. Its totient is φ = 3901842000.

The previous prime is 4406661437. The next prime is 4406661473. The reversal of 4406661457 is 7541666044.

4406661457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4406661457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (4406661407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156832 + ... + 182782.

It is an arithmetic number, because the mean of its divisors is an integer number (308309760).

Almost surely, 2^4406661457 is an apocalyptic number.

It is an amenable number.

4406661457 is a deficient number, since it is larger than the sum of its proper divisors (526294703).

4406661457 is a wasteful number, since it uses less digits than its factorization.

4406661457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26364.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 4406661457 is about 66382.6894378346. The cubic root of 4406661457 is about 1639.4690747437.

The spelling of 4406661457 in words is "four billion, four hundred six million, six hundred sixty-one thousand, four hundred fifty-seven".