3778224240 has 160 divisors (see below), whose sum is σ = 13697266176. Its totient is φ = 843494400.

The previous prime is 3778224209. The next prime is 3778224257. The reversal of 3778224240 is 424228773.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46090 + ... + 98390.

Almost surely, 2^3778224240 is an apocalyptic number.

3778224240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3778224240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6848633088).

3778224240 is an abundant number, since it is smaller than the sum of its proper divisors (9919041936).

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

3778224240 is a wasteful number, since it uses less digits than its factorization.

3778224240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52367 (or 52361 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 3778224240 is about 61467.2615300210. The cubic root of 3778224240 is about 1557.5042605134.

The spelling of 3778224240 in words is "three billion, seven hundred seventy-eight million, two hundred twenty-four thousand, two hundred forty".