3974228550 has 288 divisors, whose sum is σ = 11933236224. Its totient is φ = 979776000.

The previous prime is 3974228543. The next prime is 3974228569. The reversal of 3974228550 is 558224793.

3974228550 is a `hidden beast` number, since 3 + 9 + 74 + 2 + 28 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 3974228496 and 3974228505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14664915 + ... + 14665185.

It is an arithmetic number, because the mean of its divisors is an integer number (41434848).

Almost surely, 2^3974228550 is an apocalyptic number.

3974228550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3974228550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5966618112).

3974228550 is an abundant number, since it is smaller than the sum of its proper divisors (7959007674).

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

3974228550 is a wasteful number, since it uses less digits than its factorization.

3974228550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 3974228550 is about 63041.4827712674. The cubic root of 3974228550 is about 1583.9845685480.

The spelling of 3974228550 in words is "three billion, nine hundred seventy-four million, two hundred twenty-eight thousand, five hundred fifty".