3145811760 has 720 divisors, whose sum is σ = 13970043360. Its totient is φ = 628798464.

The previous prime is 3145811719. The next prime is 3145811771. The reversal of 3145811760 is 671185413.

3145811760 is a `hidden beast` number, since 3 + 1 + 4 + 581 + 1 + 76 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×3145811760² = 19792263258708595200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 165569031 + ... + 165569049.

It is an arithmetic number, because the mean of its divisors is an integer number (19402838).

Almost surely, 2^3145811760 is an apocalyptic number.

3145811760 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 3145811760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6985021680).

3145811760 is an abundant number, since it is smaller than the sum of its proper divisors (10824231600).

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

3145811760 is a wasteful number, since it uses less digits than its factorization.

3145811760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 3145811760 is about 56087.5365834514. The cubic root of 3145811760 is about 1465.2472350817.

The spelling of 3145811760 in words is "three billion, one hundred forty-five million, eight hundred eleven thousand, seven hundred sixty".