3781146288 has 40 divisors (see below), whose sum is σ = 9776378736. Its totient is φ = 1259296000.

The previous prime is 3781146283. The next prime is 3781146289. The reversal of 3781146288 is 8826411873.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3781146283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23338 + ... + 90038.

Almost surely, 2^3781146288 is an apocalyptic number.

It is an amenable number.

3781146288 is an abundant number, since it is smaller than the sum of its proper divisors (5995232448).

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

3781146288 is a wasteful number, since it uses less digits than its factorization.

3781146288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67893 (or 67887 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The square root of 3781146288 is about 61491.0260769813. The cubic root of 3781146288 is about 1557.9056774368.

The spelling of 3781146288 in words is "three billion, seven hundred eighty-one million, one hundred forty-six thousand, two hundred eighty-eight".