40889396 has 12 divisors (see below), whose sum is σ = 71601348. Its totient is φ = 20431872.

The previous prime is 40889393. The next prime is 40889411. The reversal of 40889396 is 69398804.

It can be written as a sum of positive squares in 2 ways, for example, as 3189796 + 37699600 = 1786^2 + 6140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40889396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40889393) 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, 10100 + ... + 13556.

It is an arithmetic number, because the mean of its divisors is an integer number (5966779).

Almost surely, 2^40889396 is an apocalyptic number.

It is an amenable number.

40889396 is a deficient number, since it is larger than the sum of its proper divisors (30711952).

40889396 is a wasteful number, since it uses less digits than its factorization.

40889396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418 (or 6416 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 40889396 is about 6394.4816834518. The cubic root of 40889396 is about 344.5113743758.

The spelling of 40889396 in words is "forty million, eight hundred eighty-nine thousand, three hundred ninety-six".