40027650 has 72 divisors (see below), whose sum is σ = 107560080. Its totient is φ = 9846720.

The previous prime is 40027643. The next prime is 40027657. The reversal of 40027650 is 5672004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40027643) and next prime (40027657).

It is a self number, because there is not a number n which added to its sum of digits gives 40027650.

It is not an unprimeable number, because it can be changed into a prime (40027657) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24561 + ... + 26139.

It is an arithmetic number, because the mean of its divisors is an integer number (1493890).

Almost surely, 2^40027650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40027650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53780040).

40027650 is an abundant number, since it is smaller than the sum of its proper divisors (67532430).

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

40027650 is a wasteful number, since it uses less digits than its factorization.

40027650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40027650 is about 6326.7408671448. The cubic root of 40027650 is about 342.0739725767.

Adding to 40027650 its reverse (5672004), we get a palindrome (45699654).

The spelling of 40027650 in words is "forty million, twenty-seven thousand, six hundred fifty".