400102022441 has 4 divisors (see below), whose sum is σ = 436474933584. Its totient is φ = 363729111300.

The previous prime is 400102022413. The next prime is 400102022491. The reversal of 400102022441 is 144220201004.

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 a de Polignac number, because none of the positive numbers 2^k-400102022441 is a prime.

It is a super-2 number, since 2×400102022441² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400102022491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18186455555 + ... + 18186455576.

It is an arithmetic number, because the mean of its divisors is an integer number (109118733396).

Almost surely, 2^400102022441 is an apocalyptic number.

It is an amenable number.

400102022441 is a deficient number, since it is larger than the sum of its proper divisors (36372911143).

400102022441 is a wasteful number, since it uses less digits than its factorization.

400102022441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36372911142.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 400102022441 its reverse (144220201004), we get a palindrome (544322223445).

The spelling of 400102022441 in words is "four hundred billion, one hundred two million, twenty-two thousand, four hundred forty-one".