4005626997 has 16 divisors (see below), whose sum is σ = 5450618880. Its totient is φ = 2615847792.

The previous prime is 4005626957. The next prime is 4005627007. The reversal of 4005626997 is 7996265004.

It is not a de Polignac number, because 4005626997 - 2⁸ = 4005626741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005626917) 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, 10108 + ... + 90074.

It is an arithmetic number, because the mean of its divisors is an integer number (340663680).

Almost surely, 2^4005626997 is an apocalyptic number.

It is an amenable number.

4005626997 is a deficient number, since it is larger than the sum of its proper divisors (1444991883).

4005626997 is a wasteful number, since it uses less digits than its factorization.

4005626997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80312.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 4005626997 is about 63290.0228867078. The cubic root of 4005626997 is about 1588.1450616120.

The spelling of 4005626997 in words is "four billion, five million, six hundred twenty-six thousand, nine hundred ninety-seven".