2400001066 has 8 divisors (see below), whose sum is σ = 3615722820. Its totient is φ = 1194760128.

The previous prime is 2400001057. The next prime is 2400001073. The reversal of 2400001066 is 6601000042.

It can be written as a sum of positive squares in 2 ways, for example, as 2378610441 + 21390625 = 48771^2 + 4625^2 .

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

It is a super-2 number, since 2×2400001066² = 11520010233602272712, 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, 2619631 + ... + 2620546.

Almost surely, 2^2400001066 is an apocalyptic number.

2400001066 is a deficient number, since it is larger than the sum of its proper divisors (1215721754).

2400001066 is a wasteful number, since it uses less digits than its factorization.

2400001066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240408.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2400001066 is about 48989.8057354793. The cubic root of 2400001066 is about 1338.8660983908.

The spelling of 2400001066 in words is "two billion, four hundred million, one thousand, sixty-six".