400245140024 has 16 divisors (see below), whose sum is σ = 751594987320. Its totient is φ = 199819810080.

The previous prime is 400245140017. The next prime is 400245140033. The reversal of 400245140024 is 420041542004.

It is a super-2 number, since 2×400245140024² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400245139975 and 400245140002.

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 3 ways as a sum of consecutive naturals, for example, 37839374 + ... + 37849949.

Almost surely, 2^400245140024 is an apocalyptic number.

It is an amenable number.

400245140024 is a deficient number, since it is larger than the sum of its proper divisors (351349847296).

400245140024 is a wasteful number, since it uses less digits than its factorization.

400245140024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75689990 (or 75689986 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 400245140024 its reverse (420041542004), we get a palindrome (820286682028).

The spelling of 400245140024 in words is "four hundred billion, two hundred forty-five million, one hundred forty thousand, twenty-four".