40802042106 has 96 divisors (see below), whose sum is σ = 101577141120. Its totient is φ = 11595197952.

The previous prime is 40802042009. The next prime is 40802042129. The reversal of 40802042106 is 60124020804.

It is a self number, because there is not a number n which added to its sum of digits gives 40802042106.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25357830 + ... + 25359438.

It is an arithmetic number, because the mean of its divisors is an integer number (1058095220).

Almost surely, 2^40802042106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40802042106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50788570560).

40802042106 is an abundant number, since it is smaller than the sum of its proper divisors (60775099014).

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

40802042106 is a wasteful number, since it uses less digits than its factorization.

40802042106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580 (or 2577 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 40802042106 in words is "forty billion, eight hundred two million, forty-two thousand, one hundred six".