400253302254 has 16 divisors (see below), whose sum is σ = 862084035792. Its totient is φ = 123154862208.

The previous prime is 400253302223. The next prime is 400253302259. The reversal of 400253302254 is 452203352004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400253302259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565726219 + ... + 2565726374.

It is an arithmetic number, because the mean of its divisors is an integer number (53880252237).

Almost surely, 2^400253302254 is an apocalyptic number.

400253302254 is an abundant number, since it is smaller than the sum of its proper divisors (461830733538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400253302254 is a wasteful number, since it uses less digits than its factorization.

400253302254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131452611.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 400253302254 its reverse (452203352004), we get a palindrome (852456654258).

The spelling of 400253302254 in words is "four hundred billion, two hundred fifty-three million, three hundred two thousand, two hundred fifty-four".