40322661 has 8 divisors (see below), whose sum is σ = 55497984. Its totient is φ = 26014560.

The previous prime is 40322641. The next prime is 40322669. The reversal of 40322661 is 16622304.

40322661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40322661 - 2¹¹ = 40320613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40322669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216696 + ... + 216881.

It is an arithmetic number, because the mean of its divisors is an integer number (6937248).

Almost surely, 2^40322661 is an apocalyptic number.

It is an amenable number.

40322661 is a deficient number, since it is larger than the sum of its proper divisors (15175323).

40322661 is a wasteful number, since it uses less digits than its factorization.

40322661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433611.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40322661 is about 6350.0126771527. The cubic root of 40322661 is about 342.9122986910.

Adding to 40322661 its reverse (16622304), we get a palindrome (56944965).

The spelling of 40322661 in words is "forty million, three hundred twenty-two thousand, six hundred sixty-one".