4810961640 has 32 divisors (see below), whose sum is σ = 14432885280. Its totient is φ = 1282923072.

The previous prime is 4810961629. The next prime is 4810961651. The reversal of 4810961640 is 461690184.

It is an interprime number because it is at equal distance from previous prime (4810961629) and next prime (4810961651).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20045554 + ... + 20045793.

It is an arithmetic number, because the mean of its divisors is an integer number (451027665).

Almost surely, 2^4810961640 is an apocalyptic number.

4810961640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4810961640 is an abundant number, since it is smaller than the sum of its proper divisors (9621923640).

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

4810961640 is a wasteful number, since it uses less digits than its factorization.

4810961640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40091361 (or 40091357 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 4810961640 is about 69361.0960121018. The cubic root of 4810961640 is about 1688.1484384261.

The spelling of 4810961640 in words is "four billion, eight hundred ten million, nine hundred sixty-one thousand, six hundred forty".