400254063604 has 12 divisors (see below), whose sum is σ = 700526374884. Its totient is φ = 200103670784.

The previous prime is 400254063551. The next prime is 400254063607. The reversal of 400254063604 is 406360452004.

It can be written as a sum of positive squares in 2 ways, for example, as 270762041104 + 129492022500 = 520348^2 + 359850^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400254063604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400254063607) 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 3 ways as a sum of consecutive naturals, for example, 5801677 + ... + 5870260.

It is an arithmetic number, because the mean of its divisors is an integer number (58377197907).

Almost surely, 2^400254063604 is an apocalyptic number.

It is an amenable number.

400254063604 is a deficient number, since it is larger than the sum of its proper divisors (300272311280).

400254063604 is a wasteful number, since it uses less digits than its factorization.

400254063604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11680514 (or 11680512 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 400254063604 in words is "four hundred billion, two hundred fifty-four million, sixty-three thousand, six hundred four".