2456444946 has 8 divisors (see below), whose sum is σ = 4912889904. Its totient is φ = 818814980.

The previous prime is 2456444941. The next prime is 2456444951. The reversal of 2456444946 is 6494446542.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2456444941) and next prime (2456444951).

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

2456444946 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2456444895 and 2456444904.

It is not an unprimeable number, because it can be changed into a prime (2456444941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204703740 + ... + 204703751.

It is an arithmetic number, because the mean of its divisors is an integer number (614111238).

Almost surely, 2^2456444946 is an apocalyptic number.

2456444946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2456444946 is a wasteful number, since it uses less digits than its factorization.

2456444946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409407496.

The product of its digits is 3317760, while the sum is 48.

The square root of 2456444946 is about 49562.5357099493. The cubic root of 2456444946 is about 1349.2808141925.

The spelling of 2456444946 in words is "two billion, four hundred fifty-six million, four hundred forty-four thousand, nine hundred forty-six".