10165440539940 has 48 divisors (see below), whose sum is σ = 32529409729152. Its totient is φ = 2323529266176.

The previous prime is 10165440539939. The next prime is 10165440539941. The reversal of 10165440539940 is 4993504456101.

It is an interprime number because it is at equal distance from previous prime (10165440539939) and next prime (10165440539941).

It is not an unprimeable number, because it can be changed into a prime (10165440539941) 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, 12101714509 + ... + 12101715348.

It is an arithmetic number, because the mean of its divisors is an integer number (677696036024).

Almost surely, 2^{10165440539940} is an apocalyptic number.

10165440539940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10165440539940 is an abundant number, since it is smaller than the sum of its proper divisors (22363969189212).

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

10165440539940 is a wasteful number, since it uses less digits than its factorization.

10165440539940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24203429876 (or 24203429874 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 10165440539940 in words is "ten trillion, one hundred sixty-five billion, four hundred forty million, five hundred thirty-nine thousand, nine hundred forty".