400402102231 has 8 divisors (see below), whose sum is σ = 407597052240. Its totient is φ = 393220768128.

The previous prime is 400402102223. The next prime is 400402102277. The reversal of 400402102231 is 132201204004.

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

It is a cyclic number.

It is not a de Polignac number, because 400402102231 - 2³ = 400402102223 is a prime.

It is a super-2 number, since 2×400402102231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400402102199 and 400402102208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400402102831) 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, 3344626 + ... + 3462271.

It is an arithmetic number, because the mean of its divisors is an integer number (50949631530).

Almost surely, 2^400402102231 is an apocalyptic number.

400402102231 is a deficient number, since it is larger than the sum of its proper divisors (7194950009).

400402102231 is an equidigital number, since it uses as much as digits as its factorization.

400402102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807953.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 400402102231 its reverse (132201204004), we get a palindrome (532603306235).

The spelling of 400402102231 in words is "four hundred billion, four hundred two million, one hundred two thousand, two hundred thirty-one".