400224502033 has 4 divisors (see below), whose sum is σ = 400493652480. Its totient is φ = 399955351588.

The previous prime is 400224501983. The next prime is 400224502087. The reversal of 400224502033 is 330205422004.

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 400224502033 - 2¹³ = 400224493841 is a prime.

It is a super-2 number, since 2×400224502033² (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 = 400224501989 and 400224502007.

It is not an unprimeable number, because it can be changed into a prime (400228502033) 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, 134572993 + ... + 134575966.

It is an arithmetic number, because the mean of its divisors is an integer number (100123413120).

Almost surely, 2^400224502033 is an apocalyptic number.

It is an amenable number.

400224502033 is a deficient number, since it is larger than the sum of its proper divisors (269150447).

400224502033 is a wasteful number, since it uses less digits than its factorization.

400224502033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269150446.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 400224502033 its reverse (330205422004), we get a palindrome (730429924037).

The spelling of 400224502033 in words is "four hundred billion, two hundred twenty-four million, five hundred two thousand, thirty-three".