400381200662 has 16 divisors (see below), whose sum is σ = 619975910400. Its totient is φ = 193723206120.

The previous prime is 400381200641. The next prime is 400381200673. The reversal of 400381200662 is 266002183004.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1186889 + ... + 1486427.

It is an arithmetic number, because the mean of its divisors is an integer number (38748494400).

Almost surely, 2^400381200662 is an apocalyptic number.

400381200662 is a deficient number, since it is larger than the sum of its proper divisors (219594709738).

400381200662 is a wasteful number, since it uses less digits than its factorization.

400381200662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321131.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 400381200662 its reverse (266002183004), we get a palindrome (666383383666).

The spelling of 400381200662 in words is "four hundred billion, three hundred eighty-one million, two hundred thousand, six hundred sixty-two".