4312961280 has 108 divisors (see below), whose sum is σ = 14922436620. Its totient is φ = 1150119936.

The previous prime is 4312961269. The next prime is 4312961281. The reversal of 4312961280 is 821692134.

4312961280 is a `hidden beast` number, since 4 + 31 + 2 + 9 + 612 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1882865664 + 2430095616 = 43392^2 + 49296^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4312961281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175675 + ... + 198714.

Almost surely, 2^4312961280 is an apocalyptic number.

4312961280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4312961280 is an abundant number, since it is smaller than the sum of its proper divisors (10609475340).

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

4312961280 is a wasteful number, since it uses less digits than its factorization.

4312961280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374416 (or 374399 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4312961280 is about 65673.1397148027. The cubic root of 4312961280 is about 1627.7655508984.

The spelling of 4312961280 in words is "four billion, three hundred twelve million, nine hundred sixty-one thousand, two hundred eighty".