3778028044 has 48 divisors (see below), whose sum is σ = 7708877568. Its totient is φ = 1586490048.

The previous prime is 3778028029. The next prime is 3778028053. The reversal of 3778028044 is 4408208773.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665399 + ... + 1667665.

It is an arithmetic number, because the mean of its divisors is an integer number (160601616).

Almost surely, 2^3778028044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3778028044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3854438784).

3778028044 is an abundant number, since it is smaller than the sum of its proper divisors (3930849524).

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

3778028044 is a wasteful number, since it uses less digits than its factorization.

3778028044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 43.

The square root of 3778028044 is about 61465.6655703003. The cubic root of 3778028044 is about 1557.4773006353.

The spelling of 3778028044 in words is "three billion, seven hundred seventy-eight million, twenty-eight thousand, forty-four".