40210242005 has 4 divisors (see below), whose sum is σ = 48252290412. Its totient is φ = 32168193600.

The previous prime is 40210241999. The next prime is 40210242029. The reversal of 40210242005 is 50024201204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29498406001 + 10711836004 = 171751^2 + 103498^2 .

It is not a de Polignac number, because 40210242005 - 2⁸ = 40210241749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4021024196 + ... + 4021024205.

It is an arithmetic number, because the mean of its divisors is an integer number (12063072603).

Almost surely, 2^40210242005 is an apocalyptic number.

It is an amenable number.

40210242005 is a deficient number, since it is larger than the sum of its proper divisors (8042048407).

40210242005 is an equidigital number, since it uses as much as digits as its factorization.

40210242005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042048406.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 40210242005 its reverse (50024201204), we get a palindrome (90234443209).

The spelling of 40210242005 in words is "forty billion, two hundred ten million, two hundred forty-two thousand, five".