40652166072 has 256 divisors, whose sum is σ = 125534822400. Its totient is φ = 10712839680.

The previous prime is 40652166059. The next prime is 40652166097. The reversal of 40652166072 is 27066125604.

It is a self number, because there is not a number n which added to its sum of digits gives 40652166072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20054323 + ... + 20056349.

It is an arithmetic number, because the mean of its divisors is an integer number (490370400).

Almost surely, 2^40652166072 is an apocalyptic number.

40652166072 is a gapful number since it is divisible by the number (42) 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 40652166072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62767411200).

40652166072 is an abundant number, since it is smaller than the sum of its proper divisors (84882656328).

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

40652166072 is a wasteful number, since it uses less digits than its factorization.

40652166072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2222 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 40652166072 in words is "forty billion, six hundred fifty-two million, one hundred sixty-six thousand, seventy-two".