2969648640 has 240 divisors, whose sum is σ = 11754613728. Its totient is φ = 678739968.

The previous prime is 2969648599. The next prime is 2969648641. The reversal of 2969648640 is 468469692.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2969648641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152074 + ... + 170486.

Almost surely, 2^2969648640 is an apocalyptic number.

2969648640 is a gapful number since it is divisible by the number (20) 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 2969648640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5877306864).

2969648640 is an abundant number, since it is smaller than the sum of its proper divisors (8784965088).

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

2969648640 is a wasteful number, since it uses less digits than its factorization.

2969648640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18449 (or 18430 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The square root of 2969648640 is about 54494.4826565039. The cubic root of 2969648640 is about 1437.3692709345.

The spelling of 2969648640 in words is "two billion, nine hundred sixty-nine million, six hundred forty-eight thousand, six hundred forty".