40883621 has 4 divisors (see below), whose sum is σ = 40948044. Its totient is φ = 40819200.

The previous prime is 40883593. The next prime is 40883639. The reversal of 40883621 is 12638804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29920900 + 10962721 = 5470^2 + 3311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40883621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40883641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31250 + ... + 32531.

It is an arithmetic number, because the mean of its divisors is an integer number (10237011).

Almost surely, 2^40883621 is an apocalyptic number.

It is an amenable number.

40883621 is a deficient number, since it is larger than the sum of its proper divisors (64423).

40883621 is an equidigital number, since it uses as much as digits as its factorization.

40883621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64422.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 40883621 is about 6394.0301062788. The cubic root of 40883621 is about 344.4951546297.

The spelling of 40883621 in words is "forty million, eight hundred eighty-three thousand, six hundred twenty-one".