2117076440 has 16 divisors (see below), whose sum is σ = 4763422080. Its totient is φ = 846830560.

The previous prime is 2117076421. The next prime is 2117076449. The reversal of 2117076440 is 446707112.

It is a junction number, because it is equal to n+sod(n) for n = 2117076397 and 2117076406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117076449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26463416 + ... + 26463495.

It is an arithmetic number, because the mean of its divisors is an integer number (297713880).

Almost surely, 2^2117076440 is an apocalyptic number.

2117076440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2117076440 is an abundant number, since it is smaller than the sum of its proper divisors (2646345640).

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

2117076440 is a wasteful number, since it uses less digits than its factorization.

2117076440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52926922 (or 52926918 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 2117076440 is about 46011.6989471156. The cubic root of 2117076440 is about 1284.0408675443.

The spelling of 2117076440 in words is "two billion, one hundred seventeen million, seventy-six thousand, four hundred forty".