40889351 has 4 divisors (see below), whose sum is σ = 40904400. Its totient is φ = 40874304.

The previous prime is 40889339. The next prime is 40889353. The reversal of 40889351 is 15398804.

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

It is a cyclic number.

It is not a de Polignac number, because 40889351 - 2¹⁸ = 40627207 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 (40889353) 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, 2186 + ... + 9303.

It is an arithmetic number, because the mean of its divisors is an integer number (10226100).

Almost surely, 2^40889351 is an apocalyptic number.

40889351 is a deficient number, since it is larger than the sum of its proper divisors (15049).

40889351 is a wasteful number, since it uses less digits than its factorization.

40889351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15048.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 40889351 is about 6394.4781647919. The cubic root of 40889351 is about 344.5112479941.

The spelling of 40889351 in words is "forty million, eight hundred eighty-nine thousand, three hundred fifty-one".