37065665040 has 160 divisors (see below), whose sum is σ = 115698844800. Its totient is φ = 9816023040.

The previous prime is 37065665023. The next prime is 37065665041. The reversal of 37065665040 is 4056656073.

It is a junction number, because it is equal to n+sod(n) for n = 37065664983 and 37065665001.

It is not an unprimeable number, because it can be changed into a prime (37065665041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29439931 + ... + 29441189.

It is an arithmetic number, because the mean of its divisors is an integer number (723117780).

Almost surely, 2^37065665040 is an apocalyptic number.

37065665040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37065665040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57849422400).

37065665040 is an abundant number, since it is smaller than the sum of its proper divisors (78633179760).

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

37065665040 is a wasteful number, since it uses less digits than its factorization.

37065665040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 37065665040 in words is "thirty-seven billion, sixty-five million, six hundred sixty-five thousand, forty".