40889000 has 64 divisors (see below), whose sum is σ = 98841600. Its totient is φ = 15816000.

The previous prime is 40888999. The next prime is 40889011. The reversal of 40889000 is 98804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30341 + ... + 31659.

It is an arithmetic number, because the mean of its divisors is an integer number (1544400).

Almost surely, 2^40889000 is an apocalyptic number.

40889000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40889000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49420800).

40889000 is an abundant number, since it is smaller than the sum of its proper divisors (57952600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40889000 is a wasteful number, since it uses less digits than its factorization.

40889000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 40889000 is about 6394.4507191783. The cubic root of 40889000 is about 344.5102622134.

The spelling of 40889000 in words is "forty million, eight hundred eighty-nine thousand".