400124603353 has 4 divisors (see below), whose sum is σ = 410938781860. Its totient is φ = 389310424848.

The previous prime is 400124603323. The next prime is 400124603357. The reversal of 400124603353 is 353306421004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 375587573904 + 24537029449 = 612852^2 + 156643^2 .

It is a cyclic number.

It is not a de Polignac number, because 400124603353 - 2⁹ = 400124602841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400124603357) 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, 5407089198 + ... + 5407089271.

It is an arithmetic number, because the mean of its divisors is an integer number (102734695465).

Almost surely, 2^400124603353 is an apocalyptic number.

It is an amenable number.

400124603353 is a deficient number, since it is larger than the sum of its proper divisors (10814178507).

400124603353 is a wasteful number, since it uses less digits than its factorization.

400124603353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10814178506.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 400124603353 in words is "four hundred billion, one hundred twenty-four million, six hundred three thousand, three hundred fifty-three".