40105650 has 96 divisors (see below), whose sum is σ = 108618048. Its totient is φ = 9734400.

The previous prime is 40105643. The next prime is 40105651. The reversal of 40105650 is 5650104.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40105651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255372 + ... + 255528.

It is an arithmetic number, because the mean of its divisors is an integer number (1131438).

Almost surely, 2^40105650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40105650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54309024).

40105650 is an abundant number, since it is smaller than the sum of its proper divisors (68512398).

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

40105650 is a wasteful number, since it uses less digits than its factorization.

40105650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 40105650 is about 6332.9021783066. The cubic root of 40105650 is about 342.2960228963.

Adding to 40105650 its reverse (5650104), we get a palindrome (45755754).

It can be divided in two parts, 40105 and 650, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40105650 in words is "forty million, one hundred five thousand, six hundred fifty".