40988005 has 8 divisors (see below), whose sum is σ = 49231224. Its totient is φ = 32760000.

The previous prime is 40987981. The next prime is 40988009. The reversal of 40988005 is 50088904.

It can be written as a sum of positive squares in 4 ways, for example, as 2401 + 40985604 = 49^2 + 6402^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40988005 - 2¹⁵ = 40955237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40988009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355 + ... + 9655.

It is an arithmetic number, because the mean of its divisors is an integer number (6153903).

Almost surely, 2^40988005 is an apocalyptic number.

It is an amenable number.

40988005 is a deficient number, since it is larger than the sum of its proper divisors (8243219).

40988005 is a wasteful number, since it uses less digits than its factorization.

40988005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 40988005 is about 6402.1875167789. The cubic root of 40988005 is about 344.7880936317.

The spelling of 40988005 in words is "forty million, nine hundred eighty-eight thousand, five".