3781652023780 has 24 divisors (see below), whose sum is σ = 7941505904640. Its totient is φ = 1512653827680.

The previous prime is 3781652023777. The next prime is 3781652023819. The reversal of 3781652023780 is 873202561873.

It is an unprimeable number.

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, 7760991 + ... + 8233849.

It is an arithmetic number, because the mean of its divisors is an integer number (330896079360).

Almost surely, 2^{3781652023780} is an apocalyptic number.

It is an amenable number.

3781652023780 is an abundant number, since it is smaller than the sum of its proper divisors (4159853880860).

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

3781652023780 is a wasteful number, since it uses less digits than its factorization.

3781652023780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872739 (or 872737 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 3781652023780 in words is "three trillion, seven hundred eighty-one billion, six hundred fifty-two million, twenty-three thousand, seven hundred eighty".