40689162 has 48 divisors (see below), whose sum is σ = 94875840. Its totient is φ = 12901680.

The previous prime is 40689161. The next prime is 40689191. The reversal of 40689162 is 26198604.

40689162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40689161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224712 + ... + 224892.

It is an arithmetic number, because the mean of its divisors is an integer number (1976580).

Almost surely, 2^40689162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40689162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47437920).

40689162 is an abundant number, since it is smaller than the sum of its proper divisors (54186678).

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

40689162 is a wasteful number, since it uses less digits than its factorization.

40689162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40689162 is about 6378.8056875876. The cubic root of 40689162 is about 343.9481003819.

The spelling of 40689162 in words is "forty million, six hundred eighty-nine thousand, one hundred sixty-two".