4000531066 has 16 divisors (see below), whose sum is σ = 6860410560. Its totient is φ = 1713924000.

The previous prime is 4000531039. The next prime is 4000531079. The reversal of 4000531066 is 6601350004.

It is a self number, because there is not a number n which added to its sum of digits gives 4000531066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5596 + ... + 89623.

It is an arithmetic number, because the mean of its divisors is an integer number (428775660).

Almost surely, 2^4000531066 is an apocalyptic number.

4000531066 is a deficient number, since it is larger than the sum of its proper divisors (2859879494).

4000531066 is a wasteful number, since it uses less digits than its factorization.

4000531066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98229.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4000531066 is about 63249.7515093933. The cubic root of 4000531066 is about 1587.4713000867.

The spelling of 4000531066 in words is "four billion, five hundred thirty-one thousand, sixty-six".