3621540266 has 8 divisors (see below), whose sum is σ = 5437644480. Its totient is φ = 1808992108.

The previous prime is 3621540257. The next prime is 3621540269. The reversal of 3621540266 is 6620451263.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3621540269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886466 + ... + 890541.

It is an arithmetic number, because the mean of its divisors is an integer number (679705560).

Almost surely, 2^3621540266 is an apocalyptic number.

3621540266 is a deficient number, since it is larger than the sum of its proper divisors (1816104214).

3621540266 is a wasteful number, since it uses less digits than its factorization.

3621540266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778028.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 3621540266 is about 60179.2345082587. The cubic root of 3621540266 is about 1535.6695492855.

The spelling of 3621540266 in words is "three billion, six hundred twenty-one million, five hundred forty thousand, two hundred sixty-six".