4406157646 has 48 divisors (see below), whose sum is σ = 7695273600. Its totient is φ = 1885427280.

The previous prime is 4406157641. The next prime is 4406157647. The reversal of 4406157646 is 6467516044.

It is a super-2 number, since 2×4406157646² = 38828450402808522632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4406157641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 746535 + ... + 752413.

It is an arithmetic number, because the mean of its divisors is an integer number (160318200).

Almost surely, 2^4406157646 is an apocalyptic number.

4406157646 is a deficient number, since it is larger than the sum of its proper divisors (3289115954).

4406157646 is a wasteful number, since it uses less digits than its factorization.

4406157646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085 (or 6074 counting only the distinct ones).

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

The square root of 4406157646 is about 66378.8945825403. The cubic root of 4406157646 is about 1639.4065925190.

The spelling of 4406157646 in words is "four billion, four hundred six million, one hundred fifty-seven thousand, six hundred forty-six".