40552889 has 8 divisors (see below), whose sum is σ = 44325120. Its totient is φ = 36873936.

The previous prime is 40552873. The next prime is 40552891. The reversal of 40552889 is 98825504.

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

It is a cyclic number.

It is not a de Polignac number, because 40552889 - 2⁴ = 40552873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40552189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22409 + ... + 24150.

It is an arithmetic number, because the mean of its divisors is an integer number (5540640).

Almost surely, 2^40552889 is an apocalyptic number.

It is an amenable number.

40552889 is a deficient number, since it is larger than the sum of its proper divisors (3772231).

40552889 is a wasteful number, since it uses less digits than its factorization.

40552889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46639.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 40552889 is about 6368.1150272274. The cubic root of 40552889 is about 343.5636961151.

The spelling of 40552889 in words is "forty million, five hundred fifty-two thousand, eight hundred eighty-nine".