2446666890 has 64 divisors (see below), whose sum is σ = 6070813056. Its totient is φ = 630669312.

The previous prime is 2446666889. The next prime is 2446666891. The reversal of 2446666890 is 986666442.

It is an interprime number because it is at equal distance from previous prime (2446666889) and next prime (2446666891).

It is not an unprimeable number, because it can be changed into a prime (2446666891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115354 + ... + 134906.

It is an arithmetic number, because the mean of its divisors is an integer number (94856454).

Almost surely, 2^2446666890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2446666890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3035406528).

2446666890 is an abundant number, since it is smaller than the sum of its proper divisors (3624146166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2446666890 is a wasteful number, since it uses less digits than its factorization.

2446666890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19703.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The square root of 2446666890 is about 49463.7937283424. The cubic root of 2446666890 is about 1347.4881303002.

The spelling of 2446666890 in words is "two billion, four hundred forty-six million, six hundred sixty-six thousand, eight hundred ninety".