4009466690 has 16 divisors (see below), whose sum is σ = 7288497720. Its totient is φ = 1587907200.

The previous prime is 4009466687. The next prime is 4009466719. The reversal of 4009466690 is 966649004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3069492409 + 939974281 = 55403^2 + 30659^2 .

It is a super-2 number, since 2×4009466690² = 32151646276439112200, which contains 22 as substring.

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, 1983875 + ... + 1985894.

Almost surely, 2^4009466690 is an apocalyptic number.

4009466690 is a deficient number, since it is larger than the sum of its proper divisors (3279031030).

4009466690 is a wasteful number, since it uses less digits than its factorization.

4009466690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969877.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 4009466690 is about 63320.3497305566. The cubic root of 4009466690 is about 1588.6523514868.

The spelling of 4009466690 in words is "four billion, nine million, four hundred sixty-six thousand, six hundred ninety".