4075616638 has 4 divisors (see below), whose sum is σ = 6113424960. Its totient is φ = 2037808318.

The previous prime is 4075616581. The next prime is 4075616651. The reversal of 4075616638 is 8366165704.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4075616638² = 33221301959884846088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018904158 + ... + 1018904161.

It is an arithmetic number, because the mean of its divisors is an integer number (1528356240).

Almost surely, 2^4075616638 is an apocalyptic number.

4075616638 is a deficient number, since it is larger than the sum of its proper divisors (2037808322).

4075616638 is a wasteful number, since it uses less digits than its factorization.

4075616638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037808321.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 4075616638 is about 63840.5563728889. The cubic root of 4075616638 is about 1597.3415015942.

The spelling of 4075616638 in words is "four billion, seventy-five million, six hundred sixteen thousand, six hundred thirty-eight".