3780536648 has 32 divisors (see below), whose sum is σ = 8149680000. Its totient is φ = 1610524032.

The previous prime is 3780536623. The next prime is 3780536663. The reversal of 3780536648 is 8466350873.

It is a Smith number, since the sum of its digits (50) 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 = 3780536596 and 3780536605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192773 + ... + 211476.

It is an arithmetic number, because the mean of its divisors is an integer number (254677500).

Almost surely, 2^3780536648 is an apocalyptic number.

It is an amenable number.

3780536648 is an abundant number, since it is smaller than the sum of its proper divisors (4369143352).

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

3780536648 is a wasteful number, since it uses less digits than its factorization.

3780536648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404429 (or 404425 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The square root of 3780536648 is about 61486.0687310548. The cubic root of 3780536648 is about 1557.8219450981.

The spelling of 3780536648 in words is "three billion, seven hundred eighty million, five hundred thirty-six thousand, six hundred forty-eight".