2456322664 has 8 divisors (see below), whose sum is σ = 4605605010. Its totient is φ = 1228161328.

The previous prime is 2456322653. The next prime is 2456322689. The reversal of 2456322664 is 4662236542.

It can be written as a sum of positive squares in only one way, i.e., 2301120900 + 155201764 = 47970^2 + 12458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 153520159 + ... + 153520174.

Almost surely, 2^2456322664 is an apocalyptic number.

It is an amenable number.

2456322664 is a deficient number, since it is larger than the sum of its proper divisors (2149282346).

2456322664 is a wasteful number, since it uses less digits than its factorization.

2456322664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307040339 (or 307040335 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The square root of 2456322664 is about 49561.3020813618. The cubic root of 2456322664 is about 1349.2584247235.

The spelling of 2456322664 in words is "two billion, four hundred fifty-six million, three hundred twenty-two thousand, six hundred sixty-four".