40889277 has 24 divisors (see below), whose sum is σ = 69390048. Its totient is φ = 22874400.

The previous prime is 40889269. The next prime is 40889281. The reversal of 40889277 is 77298804.

It is not a de Polignac number, because 40889277 - 2³ = 40889269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40889227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14599 + ... + 17172.

It is an arithmetic number, because the mean of its divisors is an integer number (2891252).

Almost surely, 2^40889277 is an apocalyptic number.

It is an amenable number.

40889277 is a deficient number, since it is larger than the sum of its proper divisors (28500771).

40889277 is a wasteful number, since it uses less digits than its factorization.

40889277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31801 (or 31798 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 40889277 is about 6394.4723785470. The cubic root of 40889277 is about 344.5110401661.

The spelling of 40889277 in words is "forty million, eight hundred eighty-nine thousand, two hundred seventy-seven".