40051222001 has 4 divisors (see below), whose sum is σ = 45772825152. Its totient is φ = 34329618852.

The previous prime is 40051221979. The next prime is 40051222027. The reversal of 40051222001 is 10022215004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40051222001 - 2¹⁰ = 40051220977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40051222061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2860801565 + ... + 2860801578.

It is an arithmetic number, because the mean of its divisors is an integer number (11443206288).

Almost surely, 2^40051222001 is an apocalyptic number.

It is an amenable number.

40051222001 is a deficient number, since it is larger than the sum of its proper divisors (5721603151).

40051222001 is an equidigital number, since it uses as much as digits as its factorization.

40051222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721603150.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 40051222001 its reverse (10022215004), we get a palindrome (50073437005).

The spelling of 40051222001 in words is "forty billion, fifty-one million, two hundred twenty-two thousand, one".