4397657044 has 24 divisors (see below), whose sum is σ = 8397895968. Its totient is φ = 1998371040.

The previous prime is 4397657041. The next prime is 4397657051. The reversal of 4397657044 is 4407567934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4397657041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170887 + ... + 194929.

It is an arithmetic number, because the mean of its divisors is an integer number (349912332).

Almost surely, 2^4397657044 is an apocalyptic number.

4397657044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4397657044 is a deficient number, since it is larger than the sum of its proper divisors (4000238924).

4397657044 is a wasteful number, since it uses less digits than its factorization.

4397657044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28215 (or 28213 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 49.

The square root of 4397657044 is about 66314.8327600998. The cubic root of 4397657044 is about 1638.3516359715.

The spelling of 4397657044 in words is "four billion, three hundred ninety-seven million, six hundred fifty-seven thousand, forty-four".