3885371280 has 320 divisors, whose sum is σ = 15823987200. Its totient is φ = 857364480.

The previous prime is 3885371279. The next prime is 3885371291. The reversal of 3885371280 is 821735883.

3885371280 is a `hidden beast` number, since 38 + 8 + 537 + 1 + 2 + 80 = 666.

3885371280 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3885371280² = 30192219966897676800, which contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 434050 + ... + 442910.

It is an arithmetic number, because the mean of its divisors is an integer number (49449960).

Almost surely, 2^3885371280 is an apocalyptic number.

3885371280 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 3885371280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7911993600).

3885371280 is an abundant number, since it is smaller than the sum of its proper divisors (11938615920).

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

3885371280 is a wasteful number, since it uses less digits than its factorization.

3885371280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8919 (or 8907 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 3885371280 is about 62332.7464500001. The cubic root of 3885371280 is about 1572.0903741528.

The spelling of 3885371280 in words is "three billion, eight hundred eighty-five million, three hundred seventy-one thousand, two hundred eighty".