2945667320 has 16 divisors (see below), whose sum is σ = 6627751560. Its totient is φ = 1178266912.

The previous prime is 2945667287. The next prime is 2945667341. The reversal of 2945667320 is 237665492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36820802 + ... + 36820881.

Almost surely, 2^2945667320 is an apocalyptic number.

2945667320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2945667320 is an abundant number, since it is smaller than the sum of its proper divisors (3682084240).

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

2945667320 is a wasteful number, since it uses less digits than its factorization.

2945667320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73641694 (or 73641690 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 2945667320 is about 54274.0022478534. The cubic root of 2945667320 is about 1433.4896628961.

The spelling of 2945667320 in words is "two billion, nine hundred forty-five million, six hundred sixty-seven thousand, three hundred twenty".