2041665040 has 40 divisors (see below), whose sum is σ = 4759873920. Its totient is φ = 814429056.

The previous prime is 2041664981. The next prime is 2041665049. The reversal of 2041665040 is 405661402.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2041665040² = 8336792271116403200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2041665049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5410 + ... + 64129.

It is an arithmetic number, because the mean of its divisors is an integer number (118996848).

Almost surely, 2^2041665040 is an apocalyptic number.

2041665040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2041665040 is an abundant number, since it is smaller than the sum of its proper divisors (2718208880).

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

2041665040 is a wasteful number, since it uses less digits than its factorization.

2041665040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69919 (or 69913 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2041665040 is about 45184.7877055984. The cubic root of 2041665040 is about 1268.6100982546.

The spelling of 2041665040 in words is "two billion, forty-one million, six hundred sixty-five thousand, forty".