3775430656 has 96 divisors (see below), whose sum is σ = 7877175930. Its totient is φ = 1809317888.

The previous prime is 3775430651. The next prime is 3775430671. The reversal of 3775430656 is 6560345773.

It can be written as a sum of positive squares in 3 ways, for example, as 3391897600 + 383533056 = 58240^2 + 19584^2 .

It is not an unprimeable number, because it can be changed into a prime (3775430651) 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, 27557820 + ... + 27557956.

Almost surely, 2^3775430656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3775430656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3938587965).

3775430656 is an abundant number, since it is smaller than the sum of its proper divisors (4101745274).

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

3775430656 is an frugal number, since it uses more digits than its factorization.

3775430656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 46.

The square root of 3775430656 is about 61444.5331661003. The cubic root of 3775430656 is about 1557.1202977914.

The spelling of 3775430656 in words is "three billion, seven hundred seventy-five million, four hundred thirty thousand, six hundred fifty-six".