400001013424 has 20 divisors (see below), whose sum is σ = 775038642120. Its totient is φ = 199991041280.

The previous prime is 400001013403. The next prime is 400001013473. The reversal of 400001013424 is 424310100004.

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 3 ways as a sum of consecutive naturals, for example, 236494 + ... + 925165.

It is an arithmetic number, because the mean of its divisors is an integer number (38751932106).

Almost surely, 2^400001013424 is an apocalyptic number.

It is an amenable number.

400001013424 is a deficient number, since it is larger than the sum of its proper divisors (375037628696).

400001013424 is a wasteful number, since it uses less digits than its factorization.

400001013424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183188 (or 1183182 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 400001013424 its reverse (424310100004), we get a palindrome (824311113428).

The spelling of 400001013424 in words is "four hundred billion, one million, thirteen thousand, four hundred twenty-four".