3778160420 has 12 divisors (see below), whose sum is σ = 7934136924. Its totient is φ = 1511264160.

The previous prime is 3778160411. The next prime is 3778160423. The reversal of 3778160420 is 240618773.

It can be written as a sum of positive squares in 2 ways, for example, as 1142980864 + 2635179556 = 33808^2 + 51334^2 .

It is not an unprimeable number, because it can be changed into a prime (3778160423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94453991 + ... + 94454030.

It is an arithmetic number, because the mean of its divisors is an integer number (661178077).

Almost surely, 2^3778160420 is an apocalyptic number.

It is an amenable number.

3778160420 is an abundant number, since it is smaller than the sum of its proper divisors (4155976504).

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

3778160420 is a wasteful number, since it uses less digits than its factorization.

3778160420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188908030 (or 188908028 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 3778160420 is about 61466.7423896858. The cubic root of 3778160420 is about 1557.4954909191.

The spelling of 3778160420 in words is "three billion, seven hundred seventy-eight million, one hundred sixty thousand, four hundred twenty".