3776281740 has 864 divisors, whose sum is σ = 16061939712. Its totient is φ = 699494400.

The previous prime is 3776281739. The next prime is 3776281813. The reversal of 3776281740 is 471826773.

3776281740 is a `hidden beast` number, since 3 + 7 + 7 + 628 + 17 + 4 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 80346397 + ... + 80346443.

It is an arithmetic number, because the mean of its divisors is an integer number (18590208).

Almost surely, 2^3776281740 is an apocalyptic number.

3776281740 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 3776281740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8030969856).

3776281740 is an abundant number, since it is smaller than the sum of its proper divisors (12285657972).

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

3776281740 is a wasteful number, since it uses less digits than its factorization.

3776281740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 3776281740 is about 61451.4584041746. The cubic root of 3776281740 is about 1557.2372946520.

The spelling of 3776281740 in words is "three billion, seven hundred seventy-six million, two hundred eighty-one thousand, seven hundred forty".