3780440428 has 12 divisors (see below), whose sum is σ = 6714514072. Its totient is φ = 1862007840.

The previous prime is 3780440423. The next prime is 3780440449. The reversal of 3780440428 is 8240440873.

3780440428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3780440423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7052793 + ... + 7053328.

Almost surely, 2^3780440428 is an apocalyptic number.

It is an amenable number.

3780440428 is a deficient number, since it is larger than the sum of its proper divisors (2934073644).

3780440428 is a wasteful number, since it uses less digits than its factorization.

3780440428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14106192 (or 14106190 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 3780440428 is about 61485.2862724083. The cubic root of 3780440428 is about 1557.8087287293.

The spelling of 3780440428 in words is "three billion, seven hundred eighty million, four hundred forty thousand, four hundred twenty-eight".