2446561378 has 8 divisors (see below), whose sum is σ = 3732042960. Its totient is φ = 1202547060.

The previous prime is 2446561367. The next prime is 2446561393. The reversal of 2446561378 is 8731656442.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10366668 + ... + 10366903.

It is an arithmetic number, because the mean of its divisors is an integer number (466505370).

Almost surely, 2^2446561378 is an apocalyptic number.

2446561378 is a deficient number, since it is larger than the sum of its proper divisors (1285481582).

2446561378 is a wasteful number, since it uses less digits than its factorization.

2446561378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20733632.

The product of its digits is 967680, while the sum is 46.

The square root of 2446561378 is about 49462.7271589426. The cubic root of 2446561378 is about 1347.4687599735.

The spelling of 2446561378 in words is "two billion, four hundred forty-six million, five hundred sixty-one thousand, three hundred seventy-eight".