4057329644 has 6 divisors (see below), whose sum is σ = 7100326884. Its totient is φ = 2028664820.

The previous prime is 4057329643. The next prime is 4057329649. The reversal of 4057329644 is 4469237504.

It is a junction number, because it is equal to n+sod(n) for n = 4057329595 and 4057329604.

It is not an unprimeable number, because it can be changed into a prime (4057329643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507166202 + ... + 507166209.

It is an arithmetic number, because the mean of its divisors is an integer number (1183387814).

Almost surely, 2^4057329644 is an apocalyptic number.

It is an amenable number.

4057329644 is a deficient number, since it is larger than the sum of its proper divisors (3042997240).

4057329644 is a wasteful number, since it uses less digits than its factorization.

4057329644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014332415 (or 1014332413 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The square root of 4057329644 is about 63697.1713971665. The cubic root of 4057329644 is about 1594.9488679671.

The spelling of 4057329644 in words is "four billion, fifty-seven million, three hundred twenty-nine thousand, six hundred forty-four".