2963534640 has 80 divisors (see below), whose sum is σ = 10022144256. Its totient is φ = 718432000.

The previous prime is 2963534617. The next prime is 2963534641. The reversal of 2963534640 is 464353692.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 2963534592 and 2963534601.

It is not an unprimeable number, because it can be changed into a prime (2963534641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558636 + ... + 563915.

Almost surely, 2^2963534640 is an apocalyptic number.

2963534640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2963534640 is an abundant number, since it is smaller than the sum of its proper divisors (7058609616).

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

2963534640 is a wasteful number, since it uses less digits than its factorization.

2963534640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122578 (or 1122572 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The square root of 2963534640 is about 54438.3563308078. The cubic root of 2963534640 is about 1436.3821604774.

The spelling of 2963534640 in words is "two billion, nine hundred sixty-three million, five hundred thirty-four thousand, six hundred forty".