3778826240 has 208 divisors, whose sum is σ = 10621826688. Its totient is φ = 1263403008.

The previous prime is 3778826209. The next prime is 3778826281. The reversal of 3778826240 is 426288773.

It is a super-2 number, since 2×3778826240² = 28559055504225075200, which contains 22 as substring.

It is a congruent number.

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, 6164174 + ... + 6164786.

Almost surely, 2^3778826240 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 3778826240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5310913344).

3778826240 is an abundant number, since it is smaller than the sum of its proper divisors (6843000448).

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

3778826240 is an equidigital number, since it uses as much as digits as its factorization.

3778826240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 3778826240 is about 61472.1582507073. The cubic root of 3778826240 is about 1557.5869773059.

The spelling of 3778826240 in words is "three billion, seven hundred seventy-eight million, eight hundred twenty-six thousand, two hundred forty".