40001022010005 has 32 divisors (see below), whose sum is σ = 76994448384000. Its totient is φ = 17323750884672.

The previous prime is 40001022010003. The next prime is 40001022010021. The reversal of 40001022010005 is 50001022010004.

It is not a de Polignac number, because 40001022010005 - 2¹ = 40001022010003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001022010003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10025316805 + ... + 10025320794.

It is an arithmetic number, because the mean of its divisors is an integer number (2406076512000).

Almost surely, 2^{40001022010005} is an apocalyptic number.

It is an amenable number.

40001022010005 is a deficient number, since it is larger than the sum of its proper divisors (36993426373995).

40001022010005 is a wasteful number, since it uses less digits than its factorization.

40001022010005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20050637633.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 40001022010005 its reverse (50001022010004), we get a palindrome (90002044020009).

Subtracting 40001022010005 from its reverse (50001022010004), we obtain a palindrome (9999999999999).

The spelling of 40001022010005 in words is "forty trillion, one billion, twenty-two million, ten thousand, five".