3819478740 has 288 divisors, whose sum is σ = 14227944192. Its totient is φ = 746803200.

The previous prime is 3819478681. The next prime is 3819478753. The reversal of 3819478740 is 478749183.

It is a Harshad number since it is a multiple of its sum of digits (51).

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 95 ways as a sum of consecutive naturals, for example, 861730 + ... + 866150.

It is an arithmetic number, because the mean of its divisors is an integer number (49402584).

Almost surely, 2^3819478740 is an apocalyptic number.

3819478740 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 3819478740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7113972096).

3819478740 is an abundant number, since it is smaller than the sum of its proper divisors (10408465452).

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

3819478740 is a wasteful number, since it uses less digits than its factorization.

3819478740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479 (or 4466 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 3819478740 is about 61801.9315232137. The cubic root of 3819478740 is about 1563.1525580642.

The spelling of 3819478740 in words is "three billion, eight hundred nineteen million, four hundred seventy-eight thousand, seven hundred forty".