2478601656 has 24 divisors (see below), whose sum is σ = 6712879680. Its totient is φ = 826200528.

The previous prime is 2478601651. The next prime is 2478601681. The reversal of 2478601656 is 6561068742.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2478601656² = 12286932338251884672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478601651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17212440 + ... + 17212583.

It is an arithmetic number, because the mean of its divisors is an integer number (279703320).

Almost surely, 2^2478601656 is an apocalyptic number.

It is an amenable number.

2478601656 is an abundant number, since it is smaller than the sum of its proper divisors (4234278024).

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

2478601656 is a wasteful number, since it uses less digits than its factorization.

2478601656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34425035 (or 34425028 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2478601656 is about 49785.5567007139. The cubic root of 2478601656 is about 1353.3254379785.

The spelling of 2478601656 in words is "two billion, four hundred seventy-eight million, six hundred one thousand, six hundred fifty-six".