400014342404 has 6 divisors (see below), whose sum is σ = 700025099214. Its totient is φ = 200007171200.

The previous prime is 400014342359. The next prime is 400014342421. The reversal of 400014342404 is 404243410004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 268935588100 + 131078754304 = 518590^2 + 362048^2 .

It is a super-2 number, since 2×400014342404² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001792797 + ... + 50001792804.

It is an arithmetic number, because the mean of its divisors is an integer number (116670849869).

Almost surely, 2^400014342404 is an apocalyptic number.

It is an amenable number.

400014342404 is a deficient number, since it is larger than the sum of its proper divisors (300010756810).

400014342404 is a wasteful number, since it uses less digits than its factorization.

400014342404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100003585605 (or 100003585603 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 400014342404 its reverse (404243410004), we get a palindrome (804257752408).

The spelling of 400014342404 in words is "four hundred billion, fourteen million, three hundred forty-two thousand, four hundred four".