40247000 has 64 divisors (see below), whose sum is σ = 95135040. Its totient is φ = 15936000.

The previous prime is 40246991. The next prime is 40247047. The reversal of 40247000 is 74204.

40247000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40247000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166880 + ... + 167120.

It is an arithmetic number, because the mean of its divisors is an integer number (1486485).

Almost surely, 2^40247000 is an apocalyptic number.

40247000 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 40247000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47567520).

40247000 is an abundant number, since it is smaller than the sum of its proper divisors (54888040).

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

40247000 is a wasteful number, since it uses less digits than its factorization.

40247000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 40247000 is about 6344.0523326971. The cubic root of 40247000 is about 342.6976854403.

The spelling of 40247000 in words is "forty million, two hundred forty-seven thousand".