400511153 has 16 divisors (see below), whose sum is σ = 469200000. Its totient is φ = 341729136.

The previous prime is 400511149. The next prime is 400511161. The reversal of 400511153 is 351115004.

It is not a de Polignac number, because 400511153 - 2² = 400511149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (400511123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75998 + ... + 81096.

It is an arithmetic number, because the mean of its divisors is an integer number (29325000).

Almost surely, 2^400511153 is an apocalyptic number.

It is an amenable number.

400511153 is a deficient number, since it is larger than the sum of its proper divisors (68688847).

400511153 is an equidigital number, since it uses as much as digits as its factorization.

400511153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349 (or 5335 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 400511153 is about 20012.7747451472. The cubic root of 400511153 is about 737.1200167603.

Adding to 400511153 its reverse (351115004), we get a palindrome (751626157).

The spelling of 400511153 in words is "four hundred million, five hundred eleven thousand, one hundred fifty-three".