400034040704 has 16 divisors (see below), whose sum is σ = 796942815720. Its totient is φ = 200017020288.

The previous prime is 400034040619. The next prime is 400034040713. The reversal of 400034040704 is 407040430004.

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 1562632844 + ... + 1562633099.

Almost surely, 2^400034040704 is an apocalyptic number.

It is an amenable number.

400034040704 is a deficient number, since it is larger than the sum of its proper divisors (396908775016).

400034040704 is an equidigital number, since it uses as much as digits as its factorization.

400034040704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125265957 (or 3125265945 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

Adding to 400034040704 its reverse (407040430004), we get a palindrome (807074470708).

The spelling of 400034040704 in words is "four hundred billion, thirty-four million, forty thousand, seven hundred four".