40116650 has 48 divisors (see below), whose sum is σ = 86720640. Its totient is φ = 13521600.

The previous prime is 40116647. The next prime is 40116653. The reversal of 40116650 is 5661104.

It is an interprime number because it is at equal distance from previous prime (40116647) and next prime (40116653).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40116653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20411 + ... + 22289.

It is an arithmetic number, because the mean of its divisors is an integer number (1806680).

Almost surely, 2^40116650 is an apocalyptic number.

40116650 is an abundant number, since it is smaller than the sum of its proper divisors (46603990).

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

40116650 is a wasteful number, since it uses less digits than its factorization.

40116650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 40116650 is about 6333.7705989403. The cubic root of 40116650 is about 342.3273145145.

Adding to 40116650 its reverse (5661104), we get a palindrome (45777754).

The spelling of 40116650 in words is "forty million, one hundred sixteen thousand, six hundred fifty".