40988205 has 12 divisors (see below), whose sum is σ = 71046300. Its totient is φ = 21860352.

The previous prime is 40988203. The next prime is 40988209. The reversal of 40988205 is 50288904.

It can be written as a sum of positive squares in 2 ways, for example, as 15069924 + 25918281 = 3882^2 + 5091^2 .

It is not a de Polignac number, because 40988205 - 2¹ = 40988203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40988205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40988201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455380 + ... + 455469.

It is an arithmetic number, because the mean of its divisors is an integer number (5920525).

Almost surely, 2^40988205 is an apocalyptic number.

40988205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40988205 is a deficient number, since it is larger than the sum of its proper divisors (30058095).

40988205 is a wasteful number, since it uses less digits than its factorization.

40988205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910860 (or 910857 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 40988205 is about 6402.2031364211. The cubic root of 40988205 is about 344.7886544259.

The spelling of 40988205 in words is "forty million, nine hundred eighty-eight thousand, two hundred five".