400007033734 has 48 divisors (see below), whose sum is σ = 753830993664. Its totient is φ = 155826483120.

The previous prime is 400007033663. The next prime is 400007033753. The reversal of 400007033734 is 437330700004.

It is a junction number, because it is equal to n+sod(n) for n = 400007033696 and 400007033705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23238159 + ... + 23255365.

It is an arithmetic number, because the mean of its divisors is an integer number (15704812368).

Almost surely, 2^400007033734 is an apocalyptic number.

400007033734 is a deficient number, since it is larger than the sum of its proper divisors (353823959930).

400007033734 is a wasteful number, since it uses less digits than its factorization.

400007033734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30961 (or 30950 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 31.

Adding to 400007033734 its reverse (437330700004), we get a palindrome (837337733738).

The spelling of 400007033734 in words is "four hundred billion, seven million, thirty-three thousand, seven hundred thirty-four".