4006652690 has 8 divisors (see below), whose sum is σ = 7211974860. Its totient is φ = 1602661072.

The previous prime is 4006652659. The next prime is 4006652719. The reversal of 4006652690 is 962566004.

4006652690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3900377209 + 106275481 = 62453^2 + 10309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4006652690² = 32106531556568472200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200332625 + ... + 200332644.

Almost surely, 2^4006652690 is an apocalyptic number.

4006652690 is a deficient number, since it is larger than the sum of its proper divisors (3205322170).

4006652690 is a wasteful number, since it uses less digits than its factorization.

4006652690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400665276.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 4006652690 is about 63298.1254856730. The cubic root of 4006652690 is about 1588.2806051241.

The spelling of 4006652690 in words is "four billion, six million, six hundred fifty-two thousand, six hundred ninety".