3776129280 has 1080 divisors, whose sum is σ = 17368080576. Its totient is φ = 766402560.

The previous prime is 3776129263. The next prime is 3776129311. The reversal of 3776129280 is 829216773.

3776129280 is a `hidden beast` number, since 3 + 7 + 7 + 612 + 9 + 28 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1080).

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 119 ways as a sum of consecutive naturals, for example, 87816939 + ... + 87816981.

Almost surely, 2^3776129280 is an apocalyptic number.

3776129280 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 3776129280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8684040288).

3776129280 is an abundant number, since it is smaller than the sum of its proper divisors (13591951296).

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

3776129280 is a wasteful number, since it uses less digits than its factorization.

3776129280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 3776129280 is about 61450.2179003460. The cubic root of 3776129280 is about 1557.2163375652.

The spelling of 3776129280 in words is "three billion, seven hundred seventy-six million, one hundred twenty-nine thousand, two hundred eighty".