2474638656 has 56 divisors (see below), whose sum is σ = 7482840000. Its totient is φ = 707039232.

The previous prime is 2474638633. The next prime is 2474638657. The reversal of 2474638656 is 6568364742.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×2474638656² = 12247672955538972672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2474638599 and 2474638608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2474638657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919281 + ... + 921968.

Almost surely, 2^2474638656 is an apocalyptic number.

It is an amenable number.

2474638656 is an abundant number, since it is smaller than the sum of its proper divisors (5008201344).

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

2474638656 is a wasteful number, since it uses less digits than its factorization.

2474638656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841271 (or 1841261 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 51.

The square root of 2474638656 is about 49745.7400789254. The cubic root of 2474638656 is about 1352.6037824656.

The spelling of 2474638656 in words is "two billion, four hundred seventy-four million, six hundred thirty-eight thousand, six hundred fifty-six".