3155280000 has 160 divisors (see below), whose sum is σ = 10473959760. Its totient is φ = 841344000.

The previous prime is 3155279971. The next prime is 3155280013. The reversal of 3155280000 is 825513.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 233427 + ... + 246573.

Almost surely, 2^3155280000 is an apocalyptic number.

3155280000 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 3155280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5236979880).

3155280000 is an abundant number, since it is smaller than the sum of its proper divisors (7318679760).

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

3155280000 is an equidigital number, since it uses as much as digits as its factorization.

3155280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13184 (or 13157 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 3155280000 is about 56171.8790855353. The cubic root of 3155280000 is about 1466.7157926612.

The spelling of 3155280000 in words is "three billion, one hundred fifty-five million, two hundred eighty thousand".