40621650 has 48 divisors (see below), whose sum is σ = 101270304. Its totient is φ = 10775680.

The previous prime is 40621621. The next prime is 40621667. The reversal of 40621650 is 5612604.

It is a self number, because there is not a number n which added to its sum of digits gives 40621650.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33454 + ... + 34646.

It is an arithmetic number, because the mean of its divisors is an integer number (2109798).

Almost surely, 2^40621650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40621650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50635152).

40621650 is an abundant number, since it is smaller than the sum of its proper divisors (60648654).

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

40621650 is a wasteful number, since it uses less digits than its factorization.

40621650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40621650 is about 6373.5115909520. The cubic root of 40621650 is about 343.7577673176.

The spelling of 40621650 in words is "forty million, six hundred twenty-one thousand, six hundred fifty".